3D printing international No. 2, 2022
Cover
/ Editorial
/ Content
/ Artificial intelligence may automate design of biomimetic single-tooth protheses
/ Researchers develop customised 3D-printed toothbrush handle for patients with limited dexterity
/ Interview with Rebecca Hall: “Our bodies aren’t naturally perfect geometries”: 3D printing advances customisation in treatment
/ Trends & applications
/ Same-day conservative aesthetic rehabilitation of the maxillary anterior region with Permanent Crown Resin
/ Extremely minimally invasive mock-up-guided veneer preparations in the aesthetic area
/ 3D printing drives innovation
/ 3D printing in the dental of ce: A user report
/ Industry news
/ Buyer’s guide
/ Manufacturer news
/ Meetings
/ Exhibitors stack up for IDS’s centennial event in 2023
/ International events
/ Submission guidelines
/ Imprint
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[1] =>
2/22
issn 2193-4673 • Vol. 2 • Issue 2/2022
3D printing
international magazine of
dental printing technology
case report
Same-day conservative aesthetic
rehabilitation with Permanent Crown Resin
opinion
3D printing drives innovation
buyer’s guide
Resins in 3D printing in dentistry
[2] =>
High Throughput.
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integrated workflows and validated Keystone™ materials deliver
fast, accurate dental 3D printing solutions at the lowest cost
of ownership. Maximize your dental lab productivity with the
NXD 200Pro, or create dental models right at your clinic with
the XiP Desktop 3D printer faster than ever before.
Models
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[3] =>
editorial
|
Dr George Freedman
Editor-in-chief
3D printing in dentistry:
The need for leadership
3D dental printing is harmonious with the continuing
positive evolution of dentistry. As a field of study and
practice, it is clearly distinct from prior dental technologies and techniques yet totally in sync with the arc of
dental development. The rapid acceptance and uptake
of 3D-printing technologies in a wide range of dental
procedures points to the need for an organisational
structure to set manufacturing, laboratory and clinical
standards and to begin the formulation of a comprehensive educational platform that will serve to train dentists
and technicians worldwide.
Because 3D dental printing is so innovative, so promising and so disruptive, it is unlikely to find a truly accommodating niche, one that would nurture its growth
and progress, within existing, and necessarily competitive, dental organisations. For the very same reasons
that cosmetic dentistry could not have flourished as it
did within the confines of prosthodontics or traditional
restorative dentistry 40 years ago, 3D printing must engage open minds and imaginative spirits and empower
science-based risk-takers who will challenge conventional wisdom and established practice. Thus, it is essential that a new organisation dedicated solely and
exclusively to 3D dental printing be convened, at the
earliest opportunity. Ideally, this will be an organisation
that will offer an open forum for free discussions and
timely presentations of new ideas (even if they seem
far-fetched), an open membership that is affordable and
one that will not only attract and collect information and
clinical feedback, but effectively disseminate this information around the globe.
What groups of experts are required to lay the foundation
for the next major leap in dentistry? They must include:
– hardware experts (who develop the printing technologies and devices);
– software experts (who drive the hardware and link
clinicians, laboratory technicians and patients);
– technicians (who use the technology to turn raw materials into restorations etc.); and
– dental professionals (who diagnose, plan treatment
and deliver restorations to patients).
And would it not be interesting, and ultimately appropriate, to have this convening meeting at the International
Dental Show, where so many of the world’s experts in
the fields mentioned gather? The show is celebrating
its 100th anniversary, and it would be fitting to initiate its
second century by inaugurating this most fundamental
transformation of the dental profession.
Dr George Freedman
Editor-in-chief
3D printing
2 2022
03
[4] =>
| content
editorial
3D printing in dentistry: The need for leadership
03
news
page 14
Study finds 3D printing more accurate than milling
when it comes to dental crowns
06
Artificial intelligence may automate design
of biomimetic single-tooth protheses
08
Researchers develop customised 3D-printed toothbrush handle
10
interview
“Our bodies aren’t naturally perfect geometries”:
3D printing advances customisation in treatment
12
trends & applications
A guide to evidence-based clinical evaluation of dental 3D printing
14
case report
page 18
Same-day conservative aesthetic rehabilitation
of the maxillary anterior region with Permanent Crown Resin
18
Extremely minimally invasive mock-up-guided veneer preparations
26
opinion
3D printing drives innovation
34
user report
3D printing in the dental office: A user report
36
industry news
page 68
Latest updates in dental 3D printing
38
UnionTech and JC Dental Technology
revolutionise dental industry together
40
The 3D revolution is here—
and dental laboratories are leading the way
42
Working together to create perfect smiles
44
How Impress became the European leader in invisible orthodontics
in just three years
46
buyer’s guide
Cover image courtesy of
Rapid Shape (www.rapidshape.de).
2/22
issn 2193-4673 • Vol. 2 • Issue 2/2022
3D printing
international magazine of
dental printing technology
Resins in 3D printing in dentistry: A buyer’s guide
48
manufacturer news
60
meetings
Continued success for Formnext with considerably
more exhibitors this year
Exhibitors stack up for IDS’s centennial event in 2023
International events
68
70
72
about the publisher
case report
Same-day conservative aesthetic
rehabilitation with Permanent Crown Resin
submission guidelines
international imprint
opinion
3D printing drives innovation
buyer’s guide
Resins in 3D printing in dentistry
04 3D printing
2 2022
73
74
[5] =>
[6] =>
© bymandesigns/Shutterstock.com
| news
Study finds 3D printing more
accurate than milling
when it comes to dental crowns
By Anisha Hall Hoppe, Dental Tribune International
Using the exact same dataset and an industrial 3D digitiser to identify deviations, researchers at Tohoku University
Graduate School of Dentistry in Japan found that producing
a crown by digital light processing (DLP) 3D printing results in a
better-quality product than can be achieved through milling.
CAD/CAM-produced milled crowns have proved a popular
alternative to traditional metallic restorations in recent
years, thanks to the better wear and aesthetic qualities of
resin-composites. However, the new study indicates that
advances in DLP printing can offer dentists a far better
product in terms of less wastage and higher accuracy than
has previously been available.
Compared with the milled crowns created during the study,
the DLP-printed crowns were consistently more accurate and had fewer marginal discrepancies. The researchers noted that, particularly at the crown cusps, the milled
crowns had a higher rate of dimensional deviations and
that, when offset correction was attempted on the internal
surfaces of the milled products that had negative deviations, grooves would result.
06 3D printing
2 2022
DLP-based 3D printing achieved a higher level of dimensional fitting accuracy and high trueness, regardless of the
abutment shape. When it comes to milling, the trueness is
very dependent upon the material properties, and those
which are more brittle, such as ceramics and polymerinfiltrated ceramics, are prone to chipping during processing, meaning that too much milling can result in a lowerquality piece.
DLP also provides a broader possible range of fitting accuracy than can be provided by milling.
The researchers noted that future studies could evaluate
the fracture resistance and biocompatibility of 3D-printed
crowns as permanent prostheses and that additional research utilising different printing parameters and fabrication
systems would be useful.
Editorial note: The study, titled “Comparison of the accuracy
of resin-composite crowns fabricated by three-dimensional
printing and milling methods”, was published online on 6 July
2022 in Dental Materials Journal, ahead of inclusion in an issue.
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[8] =>
| news
Artificial intelligence may
automate design of biomimetic
single-tooth protheses
By Franziska Beier, Dental Tribune International
Even with the support of modern CAD/CAM technology,
creating a dental prosthesis is still rather time-consuming,
resulting in more chair time and high costs for patients. To
facilitate the design of molar crowns, researchers from the
Faculty of Dentistry at the University of Hong Kong (HKU)
and the Department of Computer Science of Chu Hai College
of Higher Education in Hong Kong collaborated to develop
a novel approach using artificial intelligence (AI).
When asked what inspired the research, lead author Dr Walter
Yu Hang Lam, clinical assistant professor in prosthodontics at the Division of Restorative Dental Sciences at HKU,
told Dental Tribune International: “Some patients sense
a very subtle hair-thin high spot on their dental prosthesis.
Therefore, in the dental curriculum, a significant proportion
of time is dedicated to occlusion theory and clinical training
to provide a dental prosthesis that fits the patient’s mouth.
My colleagues and I hoped to figure out a solution for
improved treatment efficiency and patient experience.”
In order to restore the patient’s original appearance, masticatory function and general oral health, dental protheses should
have the same occlusal morphology and 3D position of the
natural teeth. These can be deduced for a missing tooth from
those of the surrounding dentition because the teeth of an individual are all controlled by the same set of genes and exposed
to the same oral environment. The researchers hypothesised
that AI could thus generate the design for a single-tooth prothesis
based on the characteristics of the remaining dentition.
The research team used a machine learning approach called
a generative adversarial network (GAN) to train and validate
their AI system and have tested it on 175 participants. The
system was able to reconstruct the shape of a natural tooth
and automate the process of dental protheses design based
only on the digital model of the patient’s dentition.
“The 3D GAN algorithm was selected due to its superior performance on 3D object reconstruction compared with other
AI algorithms. In the preliminary study, 3D GAN was able
to rebuild similar shapes to the original teeth for 60% of the
cases. It is expected to mature with more AI training data,”
commented co-author Dr Reinhard Chun Wang Chau,
research assistant in the Division of Restorative Dental
Sciences and of Applied Oral Sciences and Community
Dental Care at HKU, in a press release. For future research,
the team proposes to investigate whether the presence of opposing teeth will help the AI to generate a more natural tooth.
Asked about the advantages of this method for dental professionals and patients, Dr Lam said: “It’s less time-consuming
for both of them. Dentists will spend less time on registering
jaw relationships and chairside adjustment, greatly facilitating
the entire treatment process and enabling them to take on
more cases.”
He continued: “Patients will spend less time and money on
the treatment. In addition, the dental prostheses they receive
will fit better to their remaining dentition and are thus less
likely to cause jaw problems.”
According to Dr Lam, the research group hopes to make
the AI technology available for dental professionals within the
next five years, after having tested its accuracy further in
simulated and clinical scenarios. Moreover, the researchers
believe that the method may be applied to the fabrication
of crowns for other teeth and of multi-unit restorations in
the future.
Editorial note: The study, titled “Artificial intelligencedesigned single molar dental prostheses: A protocol of
prospective experimental study”, was published online on
2 June 2022 in PLOS ONE.
In a recent experimental study, Hong Kong researchers demonstrated that their AI system could generate the design of a molar (red) based on the features
of the remaining dentition (dark grey). (Image: © HKU)
08
[9] =>
[10] =>
| news
Researchers develop customised
3D-printed toothbrush handle
for patients with limited dexterity
By Jeremy Booth, Dental Tribune International
A team of researchers from universities in India has
developed a method of fabricating a customised, interchangeable handle for tooth cleaning products for patients having limited manual dexterity. The 3D-printed
handle brings cost-saving advantages and could improve the oral health and quality of life of patients having
restricted hand and finger movement, such as stroke
survivors, elderly patients and those with arthritis.
made manually and then used to 3D-print a customised handle using polylactic acid. The handle features
the patient’s name, is durable and costs approximately
INR2,500 (€31) to produce. The technique used is
simple and requires less time than other techniques do.
The handle can be used interchangeably to hold a toothbrush or an interdental brush and reused with different toothbrush designs and is, therefore, cost-effective.
Modifications of toothbrush handles for patients having
limited manual dexterity are mentioned in existing literature; however, the researchers emphasised the need
for modified handles to be customised to the patient’s
hand.
© Astrid Gast/Shutterstock.com
Corresponding author Dr Shreya Colvenkar, professor
in the department of prosthodontics at MNR Dental
College and Hospital in Sangareddy, told Dental Tribune
Oral self-care can empower patients who have limited manual dexterity;
however, it is essential that oral care products can be used easily.
A technical report summarising the research explained
that patients with diminished manual dexterity face
greater challenges when it comes to maintaining their
oral health and that these challenges can be compounded by impaired sensory and masticatory function. Oral self-care can empower these patients and
prevent the onset of oral diseases; however, it is essential that oral care products can be used easily.
The researchers developed a simple technique whereby silicone putty impressions of the patient’s grip are
10 3D printing
2 2022
“Although caregivers can help
in such a situation, maintaining
their own oral hygiene by
self-brushing can increase
patients’ self-esteem.”
International (DTI) that the 3D-printed two-in-one customised handles will improve the oral health of patients
having limited manual dexterity. She said that elderly
people and other patients having limited finger and
hand movement need extra help to maintain good oral
health and that being able to do so reduced dependency on others and brought a sense of empowerment.
“Although caregivers can help in such a situation, maintaining their own oral hygiene by self-brushing can
increase patients’ self-esteem,” she explained, adding
that it was very much necessary to have a design that
[11] =>
news
|
“To maintain good oral care,
the focus should be on
preventing oral diseases and
reducing the need for
comprehensive dental treatment.”
properly fits in the patient’s hand in order to improve
the quality of brushing.
Dr Colvenkar told DTI that the research team was
waiting for expressions of interest from manufacturers
and researchers so that the 3D-printed handle can be
made available and benefit the population.
In their report, the authors emphasised: “To maintain
good oral care, the focus should be on preventing
oral diseases and reducing the need for comprehensive dental treatment. The final objective should
focus on maintenance and self-care to improve quality
of life.”
Researchers in India have developed a customised and interchangeable
3D-printed handle for tooth cleaning products for patients with limited
manual dexterity. (Image: © Dr Shreya Colvenkar et al./Cureus)
Editorial note: The report, titled “Individually modeled
3D printed toothbrush and interproximal brush handle
with name for patients with limited manual dexterity”,
was published online on 21 July 2022 in the Cureus
Journal of Medical Sciences.
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3D printing
2 2022
11
[12] =>
| interview
“Our bodies aren’t naturally perfect
geometries”: 3D printing advances
customisation in treatment
An interview with Rebecca Hall
By Anisha Hall Hoppe, Dental Tribune International
For many of our readers, 3D printing has either become an essential part of their digital practice or might
be a transition still in process. Regarding the possibilities of 3D printing, Dental Tribune International
spoke with Rebecca Hall, a final-year mechanical engineering student at the University of Central Florida in
Orlando in the US who in her internships at NASA and
Tesla gained forefront experience of the relevance of
3D-printing advancements for a variety of industries,
dentistry included.
“In the past [...] most
people never had the
experience of designing
something and holding
it in their hands.”
Ms Hall, you’ve worked with 3D printing in some
cutting-edge companies. Many of our readers are
familiar with 3D-printing processes in dental clinics.
How is 3D printing used by engineers?
3D printing has meant that people across many industries are all now basically engineers who can design
parts, do CAD, all without having to study engineering.
In the past, you would have to design a part and order
it to be manufactured, so most people never had the
experience of designing something and holding it in their
hands. This massive and expensive barrier has been
removed with 3D-printing advancements.
What should instruction in 3D printing involve?
I was first introduced to 3D printing in middle school
by my older brother who had a 3D printer as a hobby.
He helped me use open-source CT scans of a brain to
print one for my high school psychology class. I did not
encounter it in an educational curriculum until college,
where we had a printing lab, and the basics were taught
in my introduction to engineering course.
Across my internships, 3D printing was used for rapid
prototyping of smaller-scale parts to save time and
money. Of course, this still requires creating a design,
but once it has been printed, this provides a good idea
of whether the part is actually going to function before putting in an order for manufacturing at great cost.
We wouldn’t often use 3D printing for finalised parts
unless there was a highly specialised need for that part,
a special material or a very advanced printer.
Interns were expected to already know about 3D printing, but in reality most engineers just google what they
need to know. A big part of working with 3D printing
is troubleshooting, and that’s not something taught in
college. You have to learn troubleshooting on the fly,
and a great resource is online 3D-printing hobbyist
communities.
12 3D printing
2 2022
However, I think that principles of 3D printing should
be taught starting at the high school level and that at
university students should be taught more than fused
deposition modelling printing. Students’ access to stereolithography, selective laser sintering, metal printing,
concrete printing and large-scale printing at the university level needs to be encouraged because that’s where
the industry is headed.
What recommendations do you have for our readers
who have not received an education in 3D printing
and engineering?
3D printing is making certain things, like prostheses,
a lot more affordable and is overall a huge asset to
the medical community because our bodies aren’t
naturally perfect geometries. 3D printing allows practitioners to come up with solutions to accommodate
everybody.
For those who are just starting out learning about 3D printing in general, my tip would be to start out with CAD,
[13] =>
interview
|
Rebecca Hall, a final-year mechanical engineering student at the University of Central Florida in Orlando in the US.
“A big part of working with 3D printing is troubleshooting,
and that’s not something taught in college.”
by taking a basic CAD course or one on an industryspecific program to learn how parts are designed.
But you don’t have to know CAD to be successful at
3D printing; you can always grab existing files available online to start out and just print. Buying a cheap,
basic printer is a great way to practise and to learn
how to troubleshoot before investing in anything
specific for your business. You will waste less money
later by practising before you graduate to a more
expensive, task-specific printer. Google, YouTube and
hobbyist groups are going to be the best resource as
you learn.
A lot of off-the-shelf 3D printers are very beginnerfriendly, as is the software itself. They’ve eliminated a
lot of steps we needed to use in the past. Often, I find
them easier to use than a regular, 2D, printer!
3D printing
2 2022
13
[14] =>
| trends & applications
A guide to evidence-based clinical
evaluation of dental 3D printing
Dr Elisa Praderi, Germany
Compare manufacturing options
and categories
Understanding new materials starts with understanding
the different manufacturing methods for which they are
used. Here, three key areas of distinction are presented in
increasing order of specificity.
1a
1b
Figs. 1a & b: Surface analysis of occlusal splint (a) and surgical guide (b).
Solutions
Technologies are producing a paradigm shift in all areas
of healthcare. Dentistry has seen significant changes in
this context. Alongside new patient digitalisation tools,
manufacturing processes and materials are evolving to such
an extent that they are changing the way we understand
new data and redefining how we approach our workflows.
The fast-paced development of these new dental materials
complicates the decision-making process for dental professionals, how research is being conducted and how fast
evidence is being produced to back up these new solutions
and protocols. This article provides some guidelines for dental
professionals and educational institutions to understand,
adopt and shape the future of digital dentistry using 3D printing.
Taking an evidence-based approach
to digital dentistry
Forward-looking dental professionals who seek detailed
results on newly available 3D-printing materials may find
themselves disappointed if they ask the same questions
they would for traditional materials. Instead, they should
consider the following avenues of enquiry when evaluating
a new 3D-printing solution.
Comparing conventional and digital manufacturing
Today, the digital clinical process includes four major steps:
patient digitalisation (via intra-oral scanning, CBCT, photography, and static and dynamic occlusion), design (via CAD
software), manufacturing (milling or 3D printing) and final
steps for delivery of the appliance (thermoforming or other).
Just like we understand the traditional workflow, we need
to understand how the intra-oral scanning techniques and
CAD can affect the printed outcome.
Some aspects remain the same. For instance, the consequences of not following protocols and manufacturer’s instructions are the same for both traditional and digital workflows:
a poor intra-oral scan will lead to a defective virtual model,
just like a poor impression will yield an inaccurate model.
Some aspects are different. With the digital workflow, precision and accuracy can be quantitatively measured, such
as via surface scanning and comparison with the digital impression (Fig. 1). This is fundamental for predicting how parts
will adapt intra-orally and has the added benefit of peace of
mind for both clinician and patient that the prostheses and
appliances are suitably accurate for the patient’s condition.
Additionally, the timing of the delivery of digital products may
have implications for the patient’s appointment schedule.
For example, for a complete denture, the digital workflow
requires half the number of appointments compared with
traditional workflows. Moreover, in case of loss or fracture,
Fig. 2: Design of a model for clear aligner and retainer production printed horizontally with the base directly on the build platform or vertically with supports.
Fig. 3: Design of an occlusal splint with supporting structures.
14
2
3
[15] =>
a new denture can be easily refabricated using the digital files
and only a seating appointment is required.
Comparing milling and 3D printing
Milling has been used in the dental profession for longer than
3D printing. The most significant difference between the two
technologies is how they are conducted. Milling, or subtractive manufacturing, begins with a solid block of material
(such as PMMA or zirconia) and uses cutting tools to remove
material until the final shape is achieved. In contrast, 3D printing,
or additive manufacturing, uses various processes to build up
the raw material into its final shape, one layer at a time. Dental
3D printers typically use a viscous liquid resin that reacts with
light to become solid, using a laser or other light source to selectively expose the material to light and polymerise it in place.
Given the difference in the nature of the manufacturing processes, the design parameters to bear in mind are different.
In milling, we acknowledge limitations such as milling radius
compensation during the design and preparation of our
restoration or splint for its specific output. In 3D printing,
there are fewer design limitations, but file preparation for
manufacturing requires more attention, such as the orientation of the part relative to the printer (Fig. 2) and the use
of supporting structures to hold the part securely during the
printing process (Fig. 3).
The costs of operation and maintenance of each manufacturing option are relevant when analysing investment. In milling,
it is important to acknowledge the total waste generated
in production, as well as the long-term maintenance costs.
In printing, the waste is reduced owing to the nature of the
manufacturing process, but some equipment requires nearly
as much maintenance as milling machines, and consumables like resin tanks can be expensive.
Lastly, the materials available and developed for each manufacturing system and clinical indication are important to analyse
and understand, as well as the clinical scenarios for which
dental professionals will opt for one technology or the other.
Comparing 3D-printing technologies
As mentioned, most dental 3D printers use a liquid resin in
a technology called vat photopolymerisation, but several
other technologies exist, including powder bed fusion
(such as selective laser sintering), material extrusion (such as
fused deposition modelling) and material jetting. Within the
category of vat photopolymerisation are the techniques of
low-force stereolithography, stereolithography, digital light
processing and liquid crystal display (Fig. 4). When choosing
a 3D-printing technology, it is important to consider several
aspects, the most important of which are accuracy, production
time and material availability.
4
Fig. 4: Different 3D-printing categories. SLA = stereolithography; DLP = digital
light processing; LFS = low-force stereolithography.
of equipment specifications, such as resolution in the x- and
y-axes, layer height (resolution in the z-axis) and laser spot
size. Post-processing methods, such as post-polymerising
the printed part, can also impact accuracy.
With the fast pace of clinical dentistry, timing is critical. However, printing time is only one step of the process. File preparation, post-processing and final clean-up of parts may be
more time-consuming, and crucially, these are the steps that
take up valuable technician or assistant time. Be sure to evaluate the entire production time, not just the printing speed,
when looking at production speed.
Lastly, material availability varies. Consider whether it is more
important to you to have highly versatile equipment or to
have equipment that is specialised for a certain use case.
Research your intended use case and look for material
availability, often categorised by whether it is biocompatible
or not—if biocompatible, whether it is Class I or Class IIa—
and the intended application. It is also important to look into
certifications or product approvals (U.S. Food and Drug Administration, EU medical device regulations, and others) and
the implied suitability for the intended application (Figs. 5 & 6).
Carefully read and follow protocols
In the absence of in vivo results, following the right protocols
according to the manufacturer’s instructions is key (Fig. 7).
Manufacturers conduct testing according to International
Organization for Standardization (ISO) standards to guarantee
that the mechanical and biocompatible properties of parts
made with their materials are suitable for their intended application, and they publish these protocols in their instructions for use documents. Following these protocols precisely
is mandatory to ensure biocompatibility and optimal performance of the printed part.
Fig. 5: Complete denture printed in Denture Base Resin and Denture
Teeth Resin (both Formlabs) in 50 μm. Fig. 6: Restorative model printed
in Model Resin (V3, Formlabs) in 50 μm.
Accuracy can be measured in multiple ways. Trueness and
precision refer to how closely the produced part matches
the digital file. This can be achieved through a combination
5
6
[16] =>
| trends & applications
the material has performed against ISO standards, to gain
important insights into material performance in the absence of in vivo research.
Implications for research
7
Fig. 7: Following the right protocols according to the manufacturer’s
instructions is key. IPA = isopropyl alcohol.
Many published research studies have explored how the
mechanical properties of a printed part can vary when the
post-processing steps are altered, but it is important to
bear in mind that altering these parameters means that the
protocol provided in the instructions is not being followed
and safety and biocompatibility could thus be at stake.
Consider in vitro and technical data
Randomised controlled clinical trials and systematic reviews provide the strongest evidence, but to generate
these, we need one fundamental thing: time. In light of the
fast-paced development of new dental materials, simulated
in vitro data is extremely helpful and a good starting point
for understanding material performance. Manufacturers
of dental materials need to understand that conducting
in vitro studies will help build preliminary trust of materials.
These need to be focused on answering key questions,
such as how long this material will last, what the cementation protocol of these new materials is, and what clinical
considerations need to be taken into account based on
this material.
ISO standards are a valuable resource when analysing
technical data sheets. The introduction of these specifications is beneficial to the dental community, as we have
benchmarks and standardised tests available to measure
the performance and quality of dental materials. As mentioned in Phillips’ Science of Dental Materials: “Dentists are
provided with criteria for selection that are impartial and
reliable. Awareness by dental laboratory technicians and
dentists of the requirements of these specifications is essential in recognising the limitations of the dental materials
with which they are working.”1 Current and future generations need to be instructed on ISO standards as part of
traditional dental education to guide their clinical decisions.
Moreover, it is an opportunity to test and define if these
standards are enough or need to be updated in order to
cover any upcoming new categories of materials.
Manufacturers of 3D-printing materials publish safety data
sheets and often marketing brochures that may contain
additional technical data. Be sure to evaluate these documents carefully to glean important information about how
16 3D printing
2 2022
Of course, evidence cannot end with in vitro data. On the
contrary, these are the foundations and evidence for institutions to start conducting clinical studies. The industry and
research institutions need to work closely to help build this
data and start executing in vivo studies as soon as the material
is available. New research strategies will need to be developed in order to produce relevant and significant clinical
evidence in an appropriate time frame. Since new 3D-printing
technologies and materials are introduced to the market so
quickly—multiple new innovations are introduced commercially every year—clinicians and researchers need to be creative in their strategies to deliver useful clinical results before
the products they are testing become obsolete. For instance,
researchers can conduct multicentre studies to maximise
the sample size of tests using the same protocol. Forwardlooking educational institutions should also consider more
collaborations with industry to rigorously test the next generation of materials while they are still in development.
3D printing is not the future—it is the present
3D printing is here, and clinicians, researchers and manufacturers are pushing forward the capabilities of this technology together. It is time for the dental community as a whole
to start understanding and learning about this technology
and adapting to this fast pace of innovation if we want to be
able to benefit from the advantages that technologies bring
while providing safe treatment options to patients. Expanding
dental materials knowledge to include these new procedures and protocols while promoting more cross collaboration among research institutions worldwide is what
will allow the dental profession to continue to innovate and
thrive using up-and-coming technology.
about
Dr Elisa Praderi graduated from the
Catholic University of Uruguay in
Montevideo in 2017. She participated in
the 2018 Unilever Hatton Competition,
presenting a study she had conducted
in the area of aesthetic dentistry at
the 96th general session and exhibition
of the International Association for Dental
Research. She has worked at the Catholic
University of Uruguay’s emergency service and in private dental
practice. Dr Praderi has particular interest in dental materials,
clinical workflows and technology integration in the daily practice,
encouraging her pursuit of a professional career in 3D printing.
Consequently, in 2019, she joined Formlabs, where she holds the
position of senior clinical protocols and key opinion leader manager.
[17] =>
[18] =>
| case report
Same-day conservative aesthetic
rehabilitation of the maxillary anterior
region with Permanent Crown Resin
Dr Alejandro Pineda, Uruguay
In this clinical case study, I give a step-by-step guide
on how to produce anterior aesthetic restorations using
Permanent Crown Resin via a full in-house CAD/CAM
workflow for same-day delivery.
Introduction
1
Fig. 1: Initial situation.
Owing to the constant influx of new materials and digital
workflows, digital dentistry is constantly advancing and
changing. It is clear that the focus lies on further simplification of workflows that will not sacrifice the quality of
results. Within the adhesive aesthetic rehabilitation field,
there are two different options available for production:
subtractive (milling) and additive (3D printing) manufacturing. These technologies are widely used in the dental
field, and while being complementary, both have different
advantages and disadvantages.
Regarding working and production time, for example, for
small batches of four-unit elements, subtractive manufacturing is the fastest method of production. However,
3D printing is excellent for high-volume production, as the
print time per part is optimised (the more parts you add,
the less time it takes to print each individual element).
2
Regarding costs per part, in-house 3D printing costs only
US$4–US$5 per unit, compared with between US$15
and US$18 per unit for milling. If parts need to be produced again, then costs rise for milling and are more
favourable with 3D printing. Moreover, 3D printing is very
cost-effective, as it requires less investment in equipment, takes a shorter time to learn to use and allows for
chairside procedures.
3
Answering critical concerns
Can 3D-printing materials be used
to fabricate permanent restorations?
3D printing plays a major role in optimising permanent
restoration workflows, where the key for innovation in
Figs. 2 & 3: Detection of previous restorations via K-Lite fluorescence. Fig. 4:
Outcome of flapless crown lengthening of tooth #12 under K-Lite fluorescence.
4
18 3D printing
2 2022
[19] =>
case report
|
7
5
8
6
Figs. 5–8: Digital scanning and design.
digital dentistry lies. This technology allows dental professionals to obtain optimal results with fewer digital
tools, less investment in equipment and reduced costs
per part, among other advantages.
The question now is what the best material is for the
different dental applications, specifically for restorative
dentistry. I have tested all dental materials available for
use with 3D printing, but lately I have been focusing
on the new restorative ones, such as Temporary CB
Resin and Permanent Crown Resin (Formlabs). Today,
my overall perception is that these materials are a viable solution and guarantee a promising future for upcoming restorative printable materials. These resins
have been proved to be able to produce good clinical
outcomes, having the right mechanical and aesthetic
properties to last for a long time. We always look to
use dental materials that simulate the natural tooth and
possess properties that mimic those of the natural
structures.
9
Fig. 9: Oriented and supported restorations in PreForm.
3D printing
2 2022
19
[20] =>
| case report
10
11
12
13
Fig. 10: Permanent Crown Resin Shade B1. Fig. 11: Sandblasting. Fig. 12: Support removal with an ultra-fine diamond disc. Fig. 13: Application of
DiaShine Super Fine Soft with a soft brush at 8,000 rpm.
14
15
16
17
Fig. 14: Application of DiaShine Coarse with a medium brush at 8,000 rpm. Figs. 15 & 16: Characterisation and glazing using OPTIGLAZE Color.
Fig. 17: Characterisation of restorations in the patient’s mouth.
20 3D printing
2 2022
[21] =>
case report
18
|
19
Fig. 18: Isolation of the operating field. Fig. 19: Try-in of restorations.
Can 3D-printed restorations be considered
a good aesthetic solution?
It is important to understand that these printable materials are monolithic and therefore are aesthetically
different to ceramics, for example lithium disilicate. This
is important because colour modulation and aesthetic
perception will differ from those of traditional layered
restorative materials when placing these in the patient’s
mouth. Though for posterior restorations the aesthetic
demands are lower, this have raised questions about
how aesthetic these monolithic restorative materials
appear in the anterior region. Should we limit their use
to specific sections of the mouth? With this clinical case,
I want to showcase that high-quality aesthetic outcomes
can be achieved with this material, but that it does not
depend on the printing phase alone. It is critical that an
optimal design is done in the CAD phase, allowing the
creation of natural textures that will be then replicated
via 3D printing and will play a vital role in light modulation
and overall perception.
Moreover, it is critical that dental professionals learn and
follow the manufacturer’s instructions and protocols
regarding post-processing, including specific washing
times, polymerisation cycles with times and temperatures, characterisation and glazing, and finally, adhesive
cementation in order to guarantee the short- and longterm success of the printed restorations. Following the
instructions guarantees biocompatibility of the parts and
that their mechanical properties will be optimal.
20
21
Case presentation
Diagnosis
A 30-year-old male patient consulted us for a clinical
evaluation, as he was unhappy with the current evolution and timing of the orthodontic treatment he was
undergoing in another clinical practice (Fig. 1). A CBCT
scan was indicated in order to perform an interdisciplinary evaluation of bone and periodontal structures with
the orthodontist. After the clinical and paraclinical eval-
22
Fig. 20: Sandblasting. Fig. 21: Silanisation. Fig. 22: Cementation via the
preheated resin adhesive technique.
3D printing
2 2022
21
[22] =>
| case report
23
24
25
Fig. 23: Cleaning surfaces with the AquaCare. Fig. 24: Protection of neighbouring teeth with PTFE. Fig. 25: Acid etching.
uation, the patient was discouraged from continuing his
orthodontic treatment and recommended to allow stabilisation of the structures before moving to any restorative or further orthodontic procedures. Once the stabilisation of tissue had been achieved, the aesthetic and
health demands of the patient would be treated.
At the clinical examination, we identified a colour change,
pulpal involvement, absence of pulp vitality of and a
voluminous composite restoration on tooth #12 and a
defective distal closure of a diastema (towards tooth #23)
with composite on tooth #22, which presented with pigmentation.
20
Treatment plan
The treatment plan was prepared with an interdisciplinary
team and would consist of root canal therapy of tooth #12,
placement of an aesthetic fibre post and restoration
with a complete crown and placement of a veneer on
tooth #22 to achieve distal diastema closure. The restorations for teeth #12 and 22 would be fabricated via
3D printing using Permanent Crown Resin.
pointments are needed for the aesthetic rehabilitation. In
this case, the restorations were designed and produced
fully in-house in one single appointment without temporisation.
Flapless crown lengthening of tooth #12 was performed,
and the pre-existing composite restorations were removed under K-Lite fluorescence (Smile Line; Figs. 2–4).
#7 Sil-Trax gingival retraction cord (Pascal International)
was used to manage the soft tissue. Sufficient tooth
preparations of different thicknesses guided by the tooth
substrate were done of tooth #12 for a crown and tooth #22
for a veneer.
After completing the tooth preparation, the shade was
taken by considering the final colour to be achieved
by observing both the colour of the healthy neighbour
teeth and the final colour of the prepared tooth substrate
(darkened), which also determined the amount of tooth
preparation needed.
Execution of treatment plan after endodontic treatment
Based on the treatment plan and depending on the expertise of the dental professional and team managing
each one of the steps of the workflow, one or two ap-
Intra-oral scanning (TRIOS, 3Shape) was performed
to capture the data to proceed with design. In the CAD
phase, natural tooth libraries were utilised to design the
restorations (Dental System, 3Shape; Figs. 5–8). Once
the design had been completed, the file was exported
in STL format.
26
27
Fig. 26: Acid etching. Fig. 27: Washing and drying.
22 3D printing
2 2022
[23] =>
case report
28
|
30
29
Fig. 28: Washing and drying. Fig. 29: Application of primer and bonding. Fig. 30: Placement of restorations.
Manufacturing stage
The STL file was imported into PreForm print preparation
software (Formlabs), where the restorations were given
the correct print orientation and supporting structures
(Fig. 9). The restorations were sent to the Form 3B printer
(Formlabs) to be fabricated with Permanent Crown Resin
in Shade B1 within our clinic (Fig. 10).
After printing, the restorations were removed from the
build platform and washed in 99% isopropyl alcohol for
3 minutes in the Form Wash (Formlabs). The parts were
dried using compressed air.
The first polymerisation cycle was done in the Form Cure
(Formlabs) for 20 minutes at 60 °C. The surfaces were
sandblasted carefully to remove the powder surface
coating (ceramic fillers contained in the resin) using the
AquaCare (Velopex) at 150 kPa maximum pressure (Fig. 11).
We then removed the supporting structures using a diamond disc (Fig. 13). The second polymerisation cycle
was done in the Form Cure for 20 minutes at 60 °C.
(Fig. 14). The restorations were then characterised and
glazed (OPTIGLAZE Color, GC) for further customisation
(Figs. 15 & 16).
After completing this step, a final characterisation step
with the restorations seated in the patient’s mouth was
done. This was a critical step to ensure the perfect aesthetic integration of the restorations. After placing the
printed restorations in the patient’s mouth, an evaluation
on the impact of the tooth substrate colour on the restorations was done. In a moisture-controlled operating
field, the restorations were finally characterised in different areas (cervical, incisal edges and borders). Glaze was
applied to finalise the restorations (Fig. 17).
Delivery and cementation protocol
As this case was for same-day delivery, no temporary
restorations were necessary. The operating field was
set up using a dental dam. This allowed us to completely
isolate the site from the moisture of the oral cavity and
improve visibility. The restorations were tried in to validate
their insertion and fit (Figs. 18 & 19).
The next steps were critical for guaranteeing success.
All external surfaces of the restorations were polished
in two stages, first using DiaShine Super Fine Soft
with a soft brush at 8,000 rpm (Fig. 13) and then using
DiaShine Coarse with a medium brush at 8,000 rpm
As for cementation, the following steps were performed
simultaneously on the tooth structures and the internal
surface of the restorations with the help of the dental
assistant.
31
32
Fig. 31: Light polymerisation. Fig. 32: Cemented restorations.
3D printing
2 2022
23
[24] =>
| case report
Follow-up
After six months, the printed restorations were
stable and without any signs of clinical concern.
Conclusion
The 3D-printable ceramic-filled resin Permanent Crown Resin is an excellent option
to offer to patients who are in need of adhesive anterior aesthetic and conservative
restorations, and it allows the production of
these via a full in-house CAD/CAM workflow. With this material, we achieved very
good results with regard to adaptation, morphology, texture, surface finish and colour.
34
33
35
Fig. 33: Final photograph with restorations in place. Fig. 34: Tooth #12 with
a complete crown. Fig. 35: Tooth #22 with a veneer.
Internal surface preparation of the printed restorations
(Figs. 20–22):
1. Sandblasting with 53 µm aluminium oxide particles
(Velopex) with the AquaCare to increase mechanical
retention;
2. Cleaning to remove the aluminium oxide particles with
water and compressed air;
3. Silanisation (Porcelain Primer, BISCO) for 2 minutes
and drying; and
4. Cementation using the preheated resin adhesive technique (69 °C in Hot Set, Technolife) and placing the
cementation agent on the internal surfaces of the
restorations.
Tooth structure preparation for adhesive cementation
(Figs. 23–32):
1. Cleaning of surfaces with aluminium oxide particles
and Sylc with the AquaCare;
2. Protection of neighbouring teeth with PTFE;
3. Etching for 15 seconds on enamel;
4. Washing with water and drying; and
5. Application of self-conditioning adhesive system
by active application to dentine for 20 seconds and
then drying for 15 seconds to evaporate the solvent.
The restorations were placed on the prepared teeth, excess cement was removed with a brush, and the restorations were light-polymerised for 40 seconds. The dental dam was removed, the occlusion was checked and
photographs were taken for documentation purposes
(Figs. 33–35).
24 3D printing
2 2022
Regarding investment costs, 3D printing
has considerably lower costs associated
with hardware, resins and consumables
compared with milling systems. Moreover,
as for overall production costs, printed restorations are three
times less expensive than milled restorations. This clinical
case is evidence that printable materials are here to stay.
Acknowledgements
Thank you to Dr Verónica Champret for performing the
endodontic therapy, to Evangelina Escobar for her clinical
assistance, to Lorena Moncalvo and Paola Arzarello for
their patient care, and to Formlabs, Formlabs Dental and
Vacodir Uruguay, for developing high-quality solutions for
digital dentistry and for providing your constant support.
about
Dr Alejandro Pineda graduated
in dentistry from the Universidad
de la República in Montevideo
in Uruguay in 2002 and undertook
further studies abroad, including
postgraduate courses on implantology
and aesthetic rehabilitation. During
this journey, he collaborated with
well-known clinicians and dental
laboratory technicians around the world, developing digital
workflows that he now uses to drive positive patient outcomes.
He is a digital dentistry specialist and passionate about
aesthetics, design and driving state-of-the-art clinical results.
At his practice in Montevideo, Clínica Lhasa, where he is
director, he has implemented full in-house digital workflows.
An early adopter of innovative dental technologies, he first
invested in Formlabs 3D printers in 2016. Based on the practice’s
philosophy of having full control of all the digital steps, including
diagnosis, scanning, design and production, each clinical case
is produced digitally from start to finish within the practice
to guarantee the best quality, full control over production and
delivery times, and personalised care of patients.
[25] =>
[26] =>
| case report
Extremely minimally invasive
mock-up-guided veneer preparations
in the aesthetic area
Dr Alessandro Pezzana, Italy
namely the gaps between his teeth. This had become
such a problem for him that he avoided showing his teeth
in photographs. He had high aesthetic expectations of
treatment and desired complete closure of the anterior
diastemas.
The patient was in good general health and did not report any medical problems. He was certain that his oral
hygiene was good, which was supported by the fact that
he did not have any caries.
Records and diagnosis
1a
1b
Fig. 1a: Initial situation. Teeth in intercuspal position, frontal view. Fig. 1b:
Initial situation. Teeth in protrusion, frontal view.
This clinical case describes an aesthetic approach to the
anterior dentition using veneers. The differential thickness
of each veneer was obtained on the basis of extremely
minimally invasive preparations. Such preparations are less
invasive for enamel integrity than veneer preparations carried
out directly on the tooth. The controlled preparations were
carried out using a working mock-up created on a wax-up
that closed the diastemas between the anterior teeth.
Case report
A 25-year-old male patient came to the practice to resolve
an aesthetic problem regarding the anterior dentition,
2
An intra-oral physical examination, vitality test and probing
were conducted, periapical radiographs were taken and
initial tooth colour was assessed. There were no signs
or symptoms of periodontal disease. The patient had
previously had orthodontic treatment requiring the extraction of the third molars. At the time of the appointment, the patient had excellent Class I canine and molar
occlusion. The maxillary arch presented with a diastema
and further gaps between the central and lateral incisors.
The diagnosis was diastemas after orthodontic therapy.
Treatment plan
The treatment method adopted aimed to afford better
conservation of the dental tissue than is possible with
conventional veneer preparation performed directly on
the tooth. This extremely minimally invasive approach
3
Fig. 2: Initial photograph showing a detail of the maxillary arch. Fig. 3: Occlusal photograph of the anterior sextant.
26 3D printing
2 2022
[27] =>
case report
|
would be achieved with a mock-up for advanced aesthetic dentistry permitting controlled preparation, that
is, preparation that is calibrated on the different thicknesses of the mock-up. This basis would be used to
create semi-indirect veneers for space closure (Type IIB
veneers according to Magne and Belser).1
Treatment
During the first appointment, photographs (Figs. 1–3)
and alginate impressions of the dental arches were
taken. After photographic study of the case, the necessary aesthetic and functional corrections were performed by means of an analogue diagnostic wax-up
phase. The wax-up was transferred to the patient’s
mouth in the form of a mock-up that he tested in his
mouth for a few days prior to the operative session.
At the following appointment, this was used as a working mock-up for calibrated preparation, that is, a mockup-guided approach for extremely minimally invasive,
controlled tooth reduction.
4a
4b
4c
Fig. 4a: Analogue wax-up on the gypsum model, palatal view. Fig. 4b:
Analogue wax-up on the gypsum model, vestibular view. Fig. 4c: Silicone
index for moulding the mock-up in composite for the provisional restoration.
been shown that such a covering of the incisal edge
achieves a higher survival rate than preparations with
a palatal chamfer.4, 5
To simulate the final result as already seen with the analogue wax-up as accurately as possible, the waxed-up
model was scanned.2 For moulding the mock-up from
the wax-up (Figs. 4a & b), a silicone index was created on
the wax-up (Fig. 4c). Composite (Structur 3, VOCO) was
injected into this silicone key to create the mock-up. The
diagnostic mock-up was temporarily cemented (Provicol
QM Aesthetic, VOCO) in the patient’s mouth for a few
days until the operative session.
At the next appointment, the mock-up took on the role
of a working guide for controlled preparation. Controlledthickness reduction grooves were made in the mock-up
for orientation, as they were used to determine the
depth of the preparation and thus the desired material
thickness of the veneers (Fig. 5). For providing clear orientation, the guiding grooves were marked with a pencil
(Fig. 6). Where the residual mock-up remained, the tooth
was intact (extremely minimally invasive preparation).
Only in the areas where the mock-up had been completely ground down was there an effective preparation of
the tooth structure (Fig. 7). Compared with conventional
veneer preparation, for which the dentist grinds the tooth
structure directly from the beginning, this procedure
allowed for much more conservative tooth reduction.
It was decided not to intervene in the lateral and protrusive movement.
The first step was to perform window or Walls, Steele
and Wassell Type A preparations,3 meaning that the
preparations were only carried out on the vestibular aspect, without finishing margins and without any
reduction of the incisal edge. However, an incisal butt
joint margin was carried out to cover the incisal edge
without any vertical reduction in the palatal area. It has
5
6
7
Fig. 5: Operative phase in which the mock-up acted as a guide for highly
conservative, controlled preparations. Fig. 6: Guide grooves marked with
pencil for calibrated preparation primarily on the composite. Fig. 7: Mock-up
removed with pencil marks where the preparation would continue directly
on the tooth (sacrificing the mock-up spared healthy hard tissue).
3D printing
2 2022
27
[28] =>
| case report
8a
8b
Fig. 8a: Completed extremely minimally invasive preparations without
finishing lines ready for digital impression taking. Fig. 8b: First veneer
fabricated by digital milling.
Once the final preparations had been obtained (Fig. 8a),
they were scanned, initiating the digital phase of the
workflow that ended with the fabrication of the veneers
using a CAD/CAM milling unit (M2 Teleskoper, Zirkonzahn).
The veneers were made of a highly filled nano-ceramic
hybrid material (Grandio blocs, Shade A2, low translucency; VOCO; Fig. 8b).
Once they had been cleaned, the prepared teeth were
rinsed thoroughly and dried with a gentle jet of compressed air. The veneers were inserted carefully by exerting
slight pressure. The chromatic effect met the expectations of both the patient and the clinician (Figs. 9 & 10).
Before being finished and polished, the veneers created
using CAD/CAM technology underwent chromatic characterisation so that the pigmentation (FinalTouch, VOCO)
was fixed under this thin layer of composite.
The dental dam used to obtain isolation was secured
using special cervical clamps for incisors (clamp #212,
Hu-Friedy; Figs. 11 & 12). This was followed by proper
adhesive priming of the surfaces to be luted to one
another (inner surfaces of the restorations and surfaces
of the prepared teeth). As a protective measure in view
of the subsequent clinical steps, the adjacent surfaces that were not to be covered were isolated using
PTFE tape.
9
The tooth surfaces were then conditioned, first by pretreatment with glycine powder, which through micro-abrasion
increases the retentive potential of the bonding (Fig. 13).
Etching was then performed using 35% orthophosphoric
acid (Vococid, VOCO) for 20 seconds (Fig. 14). The acid
was then removed by suction and rinsing for 20 seconds,
and the surface was dried with compressed air to obtain
a matt chalky white appearance. The universal adhesive
(Futurabond U, VOCO) was applied and gently rubbed
for 20 seconds using a brush (Single Tim, VOCO; Fig. 15).
The solvent was then evaporated thoroughly with compressed air for at least 5 seconds to obtain a thin, immobile and shiny layer of adhesive, which was polymerised
from various directions using a high-power LED curing light (Celalux 3, VOCO) for 10 seconds each time, in
accordance with the manufacturer’s instructions. This
created a matt–shiny preparation surface that was evenly
coated with adhesive.
“The working mock-up ensures
greater thickness control of the
veneers before proceeding with the
precision impression for the digital
design of the final veneers.”
For the pretreatment of the inner surfaces of the veneers, abrasive sandblasting with 25–50 µm particles of
aluminium oxide was performed at 1.5–2 bar pressure,
and a silane adhesive coupling agent (Ceramic Bond,
VOCO) was applied and left to act for 60 seconds
and then dried for 5 seconds. The veneers were finally
cemented using a dual-polymerising universal luting
composite (Bifix QM, VOCO; Fig. 16). The veneers were
inserted (Fig. 17) and fixed by means of polymerisation
at marginal level using a Celalux 3 mesially and distally
from the vestibular side, followed by mesial and distal
polymerising from the palatal side. In order to avoid an
oxygen inhibition layer and thus avoid poor polymerisation,
10
Fig. 9: Veneer fit test. Fig. 10: CAD/CAM veneers after characterisation, finishing and polishing.
28 3D printing
2 2022
[29] =>
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[30] =>
| case report
11
12
a glycerine gel was applied to all margins prior to
polymerisation (Liquid Strip, Ivoclar). By means of this
oxygen inhibition gel, a significant improvement of the
adhesive margins could be achieved. The glycerine was
rinsed off, and at the end of the setting time of approximately 3 minutes, it was then possible to proceed with
elimination of the excess material using a metal instrument and dental floss, interproximally. The interproximal
contact zones were finished using abrasive strips.
After checking the occlusion and making corrections
in accordance with conventional functional concepts,
normal finishing and polishing was performed using
diamond polishers (Dimanto, VOCO). The patient was
completely satisfied with the significant improvement
in his smile (Figs. 18–22).
13
Discussion
Based on an analysis of the scientific literature concerning the closure of anterior diastemas, a semi-indirect
approach using nano-hybrid composite veneers was
chosen.6 The clinical indication of diastema closure classifies the veneers used for this case as Type IIB according
to the Magne–Belser classification.1 Since feldspathic
ceramic veneers were outside the patient’s budget, such
an indirect technique was ruled out. The direct layering
technique was ruled out because the patient had high
aesthetic expectations. It was decided to use veneers
14
15
16
17
Fig. 11: Isolation of the operative field using a dental dam, frontal view. Fig. 12: Isolation of the operative field using a dental dam, occlusal view. Fig. 13: Isolation
using PTFE and appearance of the sandblasted surfaces. Fig. 14: Orthophosphoric acid etching of a substrate that was still enamel thanks to the extremely
minimally invasive approach adopted. Fig. 15: Application of the adhesive luting agent to the surfaces to be bonded. Fig. 16: Bifix QM luting system (VOCO)
applied to the tooth #21 stump and PTFE tape covering the adjacent teeth. Fig. 17: Insertion of the veneers.
30 3D printing
2 2022
[31] =>
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[32] =>
| case report
18
19
20
Fig. 18: Final result, frontal view. Fig. 19: Final result, right lateral view. Fig. 20: Final result, left lateral view.
on both the central and the lateral incisors, as this would
make it possible to obtain more harmonious relative
dimensional proportions.
The wax-up must first be transferred to the mouth in
the form of a provisional prototype with a dual clinical function as a diagnostic mock-up for aesthetic
and functional aspects and as a working mock-up for
is gradually destroyed, resulting in a far more minimally
invasive preparation than that performed directly on the
tooth. Using special calibrated burs, this preparation
ensures the most enamel-sparing thicknesses possible
and the highest aesthetic and functional characteristics.
The working mock-up ensures greater thickness control of the veneers before proceeding with the precision
impression for the digital design of the final veneers.
The adhesive protocols described were compared with
authoritative sources (Magne)8 and with recent literature
(Blatz et al.).9
Conclusion
Full patient satisfaction was achieved. The success of
the treatment was due to the combination of two factors:
minimal tooth preparation and complete closure of the
diastemas without adverse repercussions on shape,
proportions or chromatic integration.
21
This case has demonstrated that less is better. Indeed,
mock-up-guided veneer preparations reduce the biological sacrifice of the tooth to a minimum while guaranteeing function and maximising the long-term aesthetics.
This approach also demonstrates how conventional and
digital workflows can be combined effectively.
22
Fig. 21: Teeth in intercuspal position one year after the treatment, frontal
view. Fig. 22: Teeth in protrusion one year after the treatment, frontal view.
calibrated preparation, that is, a guide for controlled, extremely minimally invasive tooth reduction.7 The diagnostic mock-up is the composite provisional restoration for
the usual in-mouth fit test, and it allows immediate and
effective communication with the patient and makes it
possible to test in-mouth tolerability for a few days prior
to the operative session. These prototypes fitted on the
individual teeth have a wow effect on patients, as they
provide an in-mouth preview of the aesthetic results
to be achieved. In the initial stages of tooth preparation,
the working mock-up for controlled preparation is calibrated based on the physical dimensions of the mock-up.
With controlled preparation, the provisional restoration
32 3D printing
2 2022
Editorial note: A list of references is available from the
publisher.
contact
Dr Alessandro Pezzana graduated
in dentistry from the University of Turin
in Italy in 2012. Since 2013, he has
been practising in his own practice,
Studio dentistico Pezzana e Togno,
in Omegna in Italy. He also teaches
and researches aesthetic and adhesive
dentistry at the University of Turin.
Dr Pezzana’s areas of expertise are
aesthetic restorative dentistry, endodontics and dental photography.
He can be contacted at alessandro.pezzana@hotmail.it.
[33] =>
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[34] =>
| opinion
3D printing drives innovation
Leif Svensson, Australia
My digital dental journey started around five years ago
when I received a call from the CEO of Australia’s largest
branded dental service organisation, asking me to assist in negotiating one of the largest intra-oral scanner
deals in the southern hemisphere, as well as to develop
a training programme to support the use of the scanner
for the almost 600 dentists in the group. I am a dental
practitioner by trade, but at that time, I was responsible
for managing a brand within the group in over 40 locations.
At the same time, I had oversight of one of the largest dental laboratories in Australia. As the Pacific Smiles Group’s
founder Dr Alex Abrahams put it, he wanted me to take
the group from a horse and cart to a Tesla as fast as
possible. Knowing that I did not have a century to achieve
this, I looked to other innovative companies to assist me.
There are a myriad of intra-oral scanners out there, creating digital files as an output from the intra-oral scan.
It was in wondering who could help us with using the output
of these files that my passion for 3D printing began. Little did
I know that my passion would pay dividends in terms of
rapid prototyping of dental solutions well into the future.
tions to enable digitally fabricated implant prostheses
quickly, simply and, more importantly, accurately. There
were many iterations of the product, resulting in the development and testing of multiple prototypes before the
product was ready for clinical use.
The cost of multiple testing phases and changes to a
prototype using traditional approaches would have been
prohibitive. This is where 3D printing has made such a difference. For Tektonic, 3D printing the device prototypes
has enabled us to close the innovation loops quickly as
we identify and refine our innovative ideas into practical
solutions. What would have taken us weeks or months
in the past, now quite literally takes us minutes or hours.
Speed is one thing, but when working with single-digit
micron tolerances, it is critical to have an output device
that can fulfil the requirements of the product, including
functioning in a patient’s mouth. Asiga 3D printers delivered this to us in spades through their precision printing
technology.
Closing the innovation loop
Changing the game
for digital implant dentistry
Tektonic is a patented long-span intra-oral scanning
solution. It allows for accurate recording of implant posi-
I have taken almost 3,500 complex intra-oral scans
in my daily practice, and one thing that I have learned
34 3D printing
2 2022
[35] =>
opinion
© Tektonic
when recording implant positions is that anatomy
does not care about dental innovation. The anatomy
presents in unique and often very complex patterns.
When you add multiple implants to that environment
(which are often at divergent angulations) and then
try to accurately record these positions digitally, it can
be very difficult to scan, particularly in the edentulous
mandible.
That is why Tektonic is not a horizontal scanning system.
It is a vertical one with fixation points to allow a myriad of
geometric wing piece options which overcome the incongruent nature of the oral anatomy. The 3D-printed wing
pieces are selected according to the best shape for the
implant position and anatomy. They are then locked on to
the titanium core piece. This core piece is then screwed
to the implant multi-unit abutment so that the practitioner
can bond the wings together in the Tektonic guttering
systems using dental composite. This results in a rigid
scanning bridge upon which to follow and record implant
position and soft tissue—a verification jig (both virtual and
physical). The bonding together of the wings allows a truly
unique scanning path that is very easy to traverse.
Tektonic workflow
To demonstrate the use of Tektonic, this example will
cover the steps of a workflow for an immediate loading
protocol in the case of a patient with a complete maxillary
denture opposing failing mandibular natural dentition.
The treatment goal was to extract the mandibular teeth,
|
place the implants and then as quickly as possible produce a temporary restoration that would be immediately
loaded.
Pre-extraction scans of the mandibular dentition and
of the maxillary denture in occlusion were first taken.
Selected teeth were then extracted from the mandible,
and the anterior implants, multi-unit abutments and sutures were placed. Tektonics with wings were placed
upon the anterior multi-unit abutments and bonded within
the wing guttering systems. The bonded Tektonics and
the remaining teeth were scanned (although we only kept
two teeth for superimposition, it still worked very well).
This allowed the laboratory team to align the anterior implant positions with the bite in the pre-extraction scan.
After scanning, the Tektonics were removed and the rest
of the teeth were extracted. The posterior implants, multiunit abutments and sutures were placed and the anterior
Tektonics re-affixed. As a result of the Tektonic wing-towing bonding system, the Tektonic scanning bridge will
not be affected by vertical shrinkage and will thus not incur any
meaningful dimensional change in the cross-arch scan.
The posterior Tektonics were placed, the full complement
of the cross-arch Tektonic scanning bridge was scanned
and the Tektonics were removed. Depending on the
type of scanner being used, the Tektonic scan file can
be locked and copied so that a digital verification and
full soft-tissue scan can be created. This is done by
cropping the Tektonics from the scan and then rescanning over the multi-unit abutments and any soft tissue
that may have been missed in the full-arch Tektonic scan.
The files were then sent to the laboratory for the tem
porary fixed restoration.
The present and the future
For the dentist, Tektonic’s innovation will mean significant
time saved and less stress, along with more confidence
in the accuracy of the restoration fitting, all while using
a fully digital workflow. The patient will also be far less
inconvenienced, thanks to shorter appointment times,
and feel more comfortable with dental procedures, as
traditional intra-oral impressions and record taking are
no longer required. The emergence of intra-oral scanners
and 3D-printing technology has revolutionised the practice of implant dentistry and enabled the development
of the Tektonic system. I look forward to seeing how the
Tektonic system continues to evolve with ongoing development of innovative digital workflows.
about
Leif Svensson is the co-founder and creative director
of Tektonic Scankraft company in Australia which
offers innovative solutions for full-arch implantology.
More information can be found at www.tektonicscan.com.
3D printing
2 2022
35
[36] =>
| user report
3D printing in the dental office:
A user report
Dr Ingo Baresel, Germany
The launch of new materials and
technologies in recent years has put the
focus squarely on digital manufacturing
techniques in the daily workflow of dental laboratories. The rising prevalence
of intra-oral scanners in dental offices
has further advanced the possibility of
a fully digital workflow. For a long time,
only subtractive techniques were available for fabricating dental workpieces
such as models, crowns and bridges.
Then 3D-printing technology arrived
on the scene a few years back. At the
beginning, various factors greatly limited
3D-printing applications: the materials,
accuracy and permanent stability of
3D-printed objects, and biocompatibility
of resins were all found to be lacking.
Additionally, the first devices on the
market were very expensive.
surgical guides for implant insertion
and temporary restorations. Materials
are now available that are approved
to remain permanently in the mouth.
Printers capable of additive manufacturing of zirconia crowns are also now
available.
3D printing is an extremely economical manufacturing process: only
the material needed to produce the
workpiece is actually consumed. The
object to be printed is initially designed in CAD software and is then
transferred to the printer software.
1
The software breaks down the obFig. 1: Dr Ingo Baresel is a dentist with a particular ject into thin layers. Depending on
focus on digital dentistry and is president of the the printer type, various techniques
Deutsche Gesellschaft für digitale orale Abformung are used to print the layers consec(German association for digital oral impressions). utively until the object is completed.
The layer thickness can be modified
Things have significantly improved in the meantime.
in the software. In principle, the thicker the layer is, the
faster the printing phase will be. Thicker layering leads
Today it is possible to print precise models, night guards,
2
Fig. 2: The complete 3D-printing solution from SprintRay includes the SprintRay Pro S printer, the automatic washing and drying system Pro Wash/Dry and
the polymerising unit ProCure 2. The printing software RayWare supports the user in easy placement of the print objects.
36 3D printing
2 2022
[37] =>
user report
|
3
Fig. 3: The SprintRay Cloud Design service supports users who are looking to print directly from the scan without performing CAD themselves. With fast
turnaround times, specialised design teams individually prepare printable STL files according to users’ requirements.
to greater inaccuracies, however. It is therefore important to know the correct layer thickness for each workpiece. There are also a few basics to keep in mind for
achieving good printing results. For example, the printer
should not be placed in direct light, the room temperature should be kept stable and the air should be as
dust-free as possible.
We have been using various intra-oral scanners in our
dental office since 2012. Our dentures and splints are
also fabricated digitally. A milling machine is also available to us to enhance chairside workflow. The launch
of 3D printing using the SprintRay Pro printer closed
the yawning gap in our internal digital fabrication processes. It has always been important to us that all
processes are quick and easy alongside the daily
office routine and do not have to be transferred to
dental technicians who have to be specially employed
for the task.
This process also clearly defines the range of indications for workpieces produced in the office. Fabricating
models for creating retainers, splints, thermoformed
aligners, custom trays and even simple night guards is
now easy to accomplish in the dental office. Temporary
restorations, eggshell temporary restorations and digital mock-ups can also be produced in this way. The
appropriate CAD software must be available for these
applications. As the added value remains in the office, the acquisition costs can be paid off very quickly.
SprintRay has also introduced a cloud design service
recently, which we have not tried yet, but which would
take the CAD software completely out of the equation.
The printing software (RayWare) that is used with a
SprintRay printer is very simple and can also be used
by practice staff after induction training. RayWare supports the user in positioning the object, mounting any
necessary supporting structures, and selecting the
right resin and the required layer thickness. Plenty of
materials are available for the SprintRay printer, from
the manufacturer and from third parties. Special cartridges are not required. The appropriate resin tank is
then placed in the printer, and the printing process is
started. With the new RayWare Cloud solution, all these
steps are automatic.
Post-processing of the printed workpiece is important
in achieving a good printing result. Pro Wash/Dry is
a very high-quality device from SprintRay for washing
objects in isopropanol. This is an automated process.
After washing the object, the object is then lightpolymerised in ProCure 2, heating and light intensity
varying depending on the material. The software sets
the pressure and polymerisation parameters automat
ically according to the material specifications.
3D printers are now an indispensable tool in the digital dental office for fabricating a wide variety of workpieces.
3D printing
2 2022
37
[38] =>
| industry news
Latest updates in dental 3D printing
By Rapid Shape
Numerous factors can make or break the process of
achieving high-quality and precise 3D-printing results.
The most important factors involved are the technology
of the 3D printer and the post-processing equipment,
a seamless end-to-end process and the selection of
the right 3D-printing resins.
A workflow tailored to the specific indication, including
scanning, design, 3D printing and post-processing, enables laboratories and dental technicians to consistently
produce at the highest quality and efficiency level each
day. Validated workflows support users thanks to the
state-of-the-art software integration of all devices along
the process chain. Laboratories, dental technicians and
dentists work hand-in-hand while using modern 3D-printing
technology. This is the contemporary reality, and patients
appreciate the resulting fast and effective treatment.
Freedom for the user through
an open-material system
Several 3D printers, for example, the D50+, engineered
and produced by the German company Rapid Shape,
38 3D printing
2 2022
offer an open-material system. In addition to the more
than 200 validated resins, Rapid Shape 3D printers can
process all technically available resins owing to this open
material system. The device is also equipped with radiofrequency identification. This means that the material
bottle selected by the user is immediately recognised,
and any necessary settings on the device are made
available automatically.
A broad material selection for various
applications in the dental sector is available
Almost ten years have passed since the market breakthrough of dental 3D-printing materials. In this respect,
laboratories and practices not only have access to a
broad spectrum of material manufacturers but also to a
wide range of applications. Certain dental applications
within 3D printing, such as bruxism splints, crowns and
inlays, used to be trickier to accomplish but have become
standard today owing to long-term experience and clinical studies. Material manufacturers, including dentona,
DETAX, DMG, Keystone and Straumann, offer a wide
selection of very high-quality resins.
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industry news
|
Research and development in the field of resins is ongoing. Regulatory requirements have become stringent owing
to the new EU Medical Device Regulation and the latest
U.S. Food and Drug Administration regulatory framework
for the 3D printing of medical devices. Thus, validated
manufacturing processes are indispensable prerequisites
which include the—often underestimated—post-processing
steps: washing and postcuring. Compliance to wavelength, intensity, time, and atmospheric conditions such
as vacuum are essential. Seamless end-to-end processing equipment allows users to execute and protocol the
validated process parameters at the touch of a button,
all linked to the specific patient case.
Bioresorbable 3D-printing resins—
helping people heal in the future
So where will the resins of the future take us? Consider
as a future application the ideal polymer for use in regenerative medicine. Such resins must not only be biocompatible but also exhibit non-toxic biodegradation with
mechanical properties matched to specific applications,
whether they be soft tissue, connective tissue or bone.
The UK-based company 4D Biomaterials is intensively
engaged in the development of 3D-printable, biocompatible and bioresorbable material and is supported in
its work by the 3D printer manufacturer Rapid Shape.
The 4D Biomaterials photocurable resin brand 4Degra
is based on polycarbonate urethane chemistry and is
available in several grades. Early tests show that 4Degra
materials promote cell growth significantly better than incumbent bioresorbable polymers such as polylactic acid
and polylactic-co-glycolic acid. The resin inks are already
available for use in research and development projects.
Sustainability in 3D printing—
material savings and material recovery
without requiring manual removal of the print job. The
excess material remaining on parts and the platform
can thus be recovered during the automatic separation
process. This allows up to 25% resin recovery. As such,
the 3D printer comes with a designated device for clean
material recovery.
3D printing of the future is automated
Sustainability and environmental compatibility are
the words of the day in many industries and are hot
topics for manufacturing companies. For this reason,
every company must make sustainability its goal,
acting in the interest of future generations. Material
use, material savings and material recovery are allimportant in 3D printing in order to make the printing process not just sustainable but also effective and
economical.
3D-printing technology is in its prime. In terms of projection technology, meaning digital light processing,
manufacturers are moving at the highest technical level.
This is because this technology makes it possible to print
high-resolution parts repeatedly over a long period of
time. Handling is manageable, and the system ends up
remaining cost-effective. In addition, the processes are
becoming increasingly digitalised and automated, providing process reliability and saving time.
Manufacturers of modern 3D printers have established
the technical prerequisites for material savings. An
auto
matic part separation module reduces idle time
between two print jobs significantly and enables operations to produce multiple print jobs seamlessly one
after the other in a self-determined sequence without
having to remove the build platform from the printer and
As for the materials in 3D printing, we foresee continual,
strong development on the horizon as research continues.
Close collaboration between material manufacturers and
3D printer manufacturers will continue to lead to innovative solutions. The everyday use of 3D-printing systems
has already proved useful in many new areas and is sure
to become standard across production.
3D printing
2 2022
39
[40] =>
| industry news
UnionTech and JC Dental Technology
revolutionise dental industry together
By UnionTech
High case management cost and difficulty in traceability
Currently, dentists spend much time on system management, and because most case management systems
cannot be used to track products, it can be difficult to coordinate with the design software. In addition, cases from
different clinics are kept in different systems that vary significantly in operation. As a result, dentists need to spend a
great deal of effort on case management.
1
Fig. 1: The possibilities of 3D printing by UnionTech for dental applications.
In the Industry 4.0 era, 3D-printing technology is developing rapidly to revolutionise production modes for all industries. With over 20 years of experience in the field of
3D printing, UnionTech has been committed to empowering
the dental industry with advanced technology. Since 2016,
it has been cooperating with JC Dental Technology, a leading denture manufacturer in China. Now, UnionTech and
JC Dental Technology have announced they will work together to create more digital dental application scenarios.
UnionTech and JC Dental Technology have analysed the
current pain points of the dental industry and dentists for
the development of a more convenient production solution.
Pain points dentists face
High communication cost and difficulty
in saving important information
To perform dental procedures or restorations, dentists need
to communicate with several manufacturers in advance.
In addition, the dental design software is often too difficult
for dentists to use, so they have to communicate with designers. Dentists need to find a reliable technician when
preparing for a dental procedure, since the procedure may
be risky without the technician’s help. Clearly, much time is
taken up by communication about a single project, and important information might be accidentally lost in the process.
Fig. 2: CBCT image data. Fig. 3: Planning and designing process.
40
2
3
Based on 3D-printing technology, UnionTech
and JC Dental Technology cooperate
to develop a new mode of dental care
To solve the above-mentioned issues facing the dental industry
and dentists, JC Dental Technology has developed a comprehensive digital solution that covers the whole process,
covering the design system, service package, chairside service
and case management for dental practices, based on customercentred service and 3D-printing technology. This solution
has transformed the traditional dental industry. It is completely
digital and alleviates the substantial time and effort previously
required from dentists for communication and management
tasks. It removes the communication barrier between patients
and dentists, improving treatment accuracy and efficiency.
Its design system is user-friendly, time-saving and efficient
for dentists, offering a complete set of design functions.
The service package, chairside service and case management provided by this solution effectively connect a series
of steps, such as ordering, communication, treatment plan
confirmation, preoperative preparation, intraoperative products or services, and postoperative evaluation, which all
further enable dental practices to save on time and labour.
JC Dental Technology: UnionTech’s
3D-printing technology brings
transformation to denture manufacturers
According to JC Dental Technology, when the company was first established, all the professional technicians
[41] =>
were dental graduates. Denture manufacturing was timeconsuming and labour-intensive, relying entirely on the
skills and experience of dental technicians. As the process
was often prone to quality defects, the entire manufacturing
process was affected.
In 2008, JC Dental Technology introduced several pieces
of imported digital dental equipment, improving manufacturing efficiency to a certain extent. However, owing to immature technology and after-sales services, the company
faced many problems.
In 2016, JC Dental Technology officially cooperated with
UnionTech to widely apply UnionTech’s professional dental
3D-printing technology to denture manufacturing, providing
digital turnkey solutions for dental practices. 3D-printing
technology not only simplifies the traditional 20 or more
production processes to just three to five processes, greatly
saving on time and labour costs, but also changes the
traditional process of manufacturing silicone aligner tray
seaters, enabling precise customisation and improving
patients’ comfort.
Digital dental application scenarios
Image data is transmitted via the cloud to accurately determine design plans. After an order is placed on the JC Dental
Technology FC Implant supply chain platform, a dental
mock-up is designed on the FC Implant software using
the patient’s CBCT data to precisely restore the patient’s
intra-oral condition. Data can be quickly saved to the
platform after transfer, greatly shortening the impression
taking process.
Based on the data, dentists can design and make the
most accurate implant plan and confirm the best position
to install the virtual implant into the patient's alveolar bone,
providing predictive guidance for the actual procedure.
4
5
6
7
8
9
Figs. 4 & 5: Surgical guide and model manufactured using 3D-printing
technology. Figs. 6 & 7: Custom temporary abutment on a 3D-printed model.
Figs. 8 & 9: Temporary crown on 3D-printed model.
a high-precision surgical guide, a temporary abutment and
a temporary prosthesis can be placed in the same session
as the implant placement.
According to Qian Yuan, general manager of JC Dental
Technology, UnionTech’s 3D-printing technology completely
digitises the JC Dental Technology FC Implant platform
into a one-stop implant solution for dentists and patients.
This solution offers unprecedented convenience for both
dentists and patients: dentists can design surgical guides
and accessories and complete plan communication and
confirmation in the supply chain, and the patient benefits
from immediate restoration.
With the help of 3D-printing technology, the dental treatment
quality is improved. The digital dental application system
developed by UnionTech has transformed the manufacturing
of JC Dental Technology. 3D-printing technology enables
JC Dental Technology to precisely and efficiently manufacture dental surgical guides, mock-ups, temporary crowns,
dentures, custom temporary abutments and other dental
appliances.
The high-quality products provide double
insurance for dentists and patients
The surgical guides printed by UnionTech’s dental 3D printers
and the dedicated surgical kits provided by JC Dental
Technology FC enable precise implant placement. According to previous findings, the actual position of an implant
in the alveolar bone deviates from the position planned
in the preoperative design by no more than 1.2 mm. With
10
Fig. 10: UnionTech’s dental 3D printers.
3D printing
2 2022
41
[42] =>
| industry news
The 3D revolution is here—and dental
laboratories are leading the way
By Glidewell
In the late 2000s, dentistry transitioned from porcelain
fused to metal to monolithic zirconia as its preferred restorative material. This monolithic revolution reverberated
throughout the industry, proving that laboratories were
working hard to develop new standards that could shake
up long-standing traditions.
Today, a similar revolution is taking place, this time a
3D revolution. According to an article published by Dental
Tribune International this year, the market for 3D printers
is expected to grow from US$3.2 billion in 2022 to nearly
US$8.0 billion in the next five years. More and more
dental offices are adopting a digital workflow that allows
them to create their own self-sustaining ecosystem in which
same-visit dentistry is the norm, not the exception.
However, many practices still prefer to follow a traditional
workflow, in which appliances are delivered by the laboratory rather than printed in-office. This preference may
involve concerns about training employees in the new
technology or adjusting to a new workflow. However,
those who wish to retain a traditional relationship with
42 3D printing
2 2022
the laboratory do not have to miss out on the benefits of
3D printing, as laboratories continue to develop highquality 3D-printing services.
At first, simple products such as impression trays and
surgical guides were the main focus of 3D-printing capabilities, but as the technology advanced, the collective
imagination of dental laboratories advanced with it.
Laboratories like Glidewell are at the forefront of searching for new and exciting ways to utilise 3D printers. As
the market for 3D printing grows, a large dental laboratory like Glidewell can harness the true advantages of
3D printing without forcing clinicians to heavily invest in
one for their office.
Leading the way
Today, the differences between in-office 3D printers and
the industrial 3D printers used by laboratories are mainly
their size, speed and capabilities. Large-scale laboratories
are able to absorb the high upfront costs of industrial
printers, taking advantage of their size and power to
[43] =>
industry news
|
produce highly accurate and reliable appliances that previously had been possible only with traditional fabrication
methods.
Glidewell has been steadily advancing its 3D-printing
capability from top to bottom. The laboratory’s workflow
improves case success rates by using proprietary software to streamline the 3D-printing process. This software
enhances every aspect of the process, including impression taking, design and fabrication. It has been tweaked
and optimised, eventually reaching the point of selfautomation, which has contributed to more accurate,
consistent results.
Glidewell is committed to increasing production using
3D-printing technology, aiming for the optimal combination of speed and affordability. As part of its initiative to
expand on the assortment of 3D-printable resins, products
such as the Comfort3D Bite Splint especially stand out.
The splint offers a more precise fit than splints produced
with traditional techniques, and because it is 3D-printed,
there is no excess material left on the appliance, resulting
in a more comfortable fit for patients.
Additionally, Glidewell has invested in printers that can
print using different materials. Selective laser sintering
(SLS), for example, has a promising future. By utilising
the cutting-edge SLS technology to print high-quality
metal frameworks for partial dentures, Glidewell showcases its capability of exploring new options and extending
the scope of 3D-printed products.
The most exciting part of Glidewell’s ambitious 3D transformation is that it allows clinicians to benefit from technological advances without the need to invest their
own time or money. Jason Song, director of laboratory
operations, discussed the company’s goal: “We disrupt
ourselves for the betterment of the customer. We never
want to get comfortable and miss out on utilising the
newest technology just because what we’ve done has
worked out so far. We always have a progressive mindset,
advancing dentistry and making it more consistent as
well as more accessible.”
The goal for Glidewell is not to deter clinicians from utilising in-office 3D printers. Rather, Glidewell is seeking
to improve materials, design software and workflows
so that when in-office printers become more prominent
and realistic for practices Glidewell can offer clinicians
better solutions at an affordable price, in line with its goal
of democratising dental technology.
“We trust the technology,” said Song, “and we believe
that it can improve dentistry as a whole. Our ultimate goal
is to broaden the imagination of what can be achieved
with 3D printing. And we are excited to be at the forefront.”
3D printing
2 2022
43
[44] =>
| industry news
Working together to create
perfect smiles
NEOLab pushes the limits on 3D-printing products
By 3D Systems
New England Orthodontic Laboratory
(NEOLab) was started in 1976 as
a family-owned organisation. Its
president, Bill Saurman, who was
the original master technician and
founded NEOLab, has always been
passionate about maintaining the
human aspect and the knowledge
of hand-crafted appliances in a
world gone digital. Over the years,
the NEOLab team has continued
to grow with a strong focus on
innovation. Today, NEOLab, based
in Andover in Massachusetts in the
US, is still family-owned and has
developed into a fully digital laboratory offering a wide range of dental
orthodontic appliances.
1
NEOLab’s CEO, Christian Saurman, Fig. 1: President Bill Saurman (left) and Christian Saurman, CEO of NEOLab.
is dedicated to keeping the company
running smoothly and at the forefront of the latest technological
clients ask us whether we can develop a specific appliance,
our reply is that we’ve been at it for years.” Zachary Breeze,
advances. He explained: “We like to be forward thinkers and
supervisor of the laboratory’s digital department, added: “Here
do things differently. We produce over 100,000 cases a year,
at NEOLab, we take each case and put a personal touch to it.”
and our company is growing across the country. When our
2
3
4
Fig. 2: Christian Saurman, CEO of NEOLab. Fig. 3: Zachary Breeze, supervisor of the laboratory’s digital department at NEOLab. Fig. 4: NEOLab team at work.
44 3D printing
2 2022
[45] =>
industry news
5
|
6
Fig. 5: Design in 3D Sprint software. Fig. 6: NextDent C&B MFH material for crowns and bridges.
Designing customised appliances
At NEOLab, the team works together closely with many
dentists who submit their cases digitally. Utilising digital
workflows allows the appliances to more quickly reach
the technicians, saving valuable time. This creates extra
floor time, allowing the team to make even higher quality
appliances.
Breeze explained: “I have a team of three 3D-printing
technicians. They all use 3D Systems’ 3D Sprint nesting
software. The software is so user-friendly and consistent
that I am unable to determine who did the nesting.”
3D-printed pontics
NEOLab is one of the few laboratories that utilises
3D-printed pontics. 3D Systems’ NextDent 5100 has
proved to be a reliable printer for NEOLab, accurately
printing teeth with the necessary cleanliness and durability. Christian Saurman said that he has seen increasing
numbers of 3D-printed teeth, and he expects the market
to expand further.
7
8
According to the 3D pontic designer at NEOLab, Kim Jordan,
3D-printed pontic teeth allow her to mirror or copy other teeth
in a way that looks more natural than other methods can
achieve. During the process, she also designs a ridge at the
patient’s gingival margin that allows the pontic to click consistently into the correct position and eliminates the need for
adjustments to create a perfect fit by the next department.
Bringing it all together
At NEOLab, the team pushes the limits of digital technology. Speaking from experience, Breeze said, “We’re
glad to have a printer that quickly and reliably produces
our appliances and are proud to send them out to our
dentists and their patients. We put our passion and dedication into our work and when they receive our printed
products, it makes them both smile.”
Jordan summed it up beautifully: “When I design teeth,
I am shaping someone’s confidence, and the end result
is going to be a smile—a perfect smile!”
www.neolab.com
9
Fig. 7: Printed pontics. Fig. 8: Kim Jordan, 3D pontic designer at NEOLab. Fig. 9: 3D-printed pontic teeth on the model.
3D printing
2 2022
45
[46] =>
| industry news
How Impress became the
European leader in invisible
orthodontics in just three years
By Impress
Impress is the No. 1 European digital orthodontic brand.
The company was established in Barcelona in Spain in
2019, and since then it has revolutionised the invisible
orthodontic segment with a team of professionals spe-
cialised in making people smile and the latest technology applied to the diagnosis, treatment and follow-up
of all cases. In three years, Impress has managed to
position itself as the European leader in the orthodontic segment with its award-winning invisible orthodontic
treatment and already has a presence in more than
130 cities across nine countries.
How does it work?
As Europe’s first full-service aligner specialist, Impress provides 24/7 professional customer care via its app, regular
treatment oversight based on remote assessment and aligner
reviews, all with a high rate of customer satisfaction.
Pretreatment
In the first phase, diagnosis and pre-orthodontic dental
treatment are carried out. In the first consultation, the patient
undergoes a complimentary full oral examination, a radiograph and a 3D scan, allowing the medical team to diagnose
the case and create a virtual simulation of the entire treatment process. After just a few days, the patient will receive
a video simulation of what his or her future smile will look like.
Treatment
Once the aligners have been created specifically according to the
needs of the patient, they are sent directly to the patient’s home.
From then on, the patient will be able to continue with his or her
daily routine without the treatment interfering with it. Thanks to
the mobile application, the patient can upload photos of the
progress of their treatment so that the medical team can evaluate
it. In this way, the patient will avoid coming to the clinic in person
unless requested by the orthodontist, saving time and money.
Post-treatment
After completing the treatment phase, the patient will move
on to the retainer stage. By using Impress retainers every
night and following the instructions of the medical team, the
patient will be able to maintain a healthy, aligned smile for life.
What makes Impress different?
Dr Khaled Kasem, co-founder and chief orthodontist at Impress.
46 3D printing
2 2022
At Impress, all vital services are carried out by expert
teams in the company’s own clinics, which are now
[47] =>
industry news
in major cities throughout Europe (including in the UK,
Spain, France and Italy). Although some competitors
can provide the same services, none do so from their
own clinics, leaving patients under the care of thirdparty dental services and therefore open to unnecessary risk.
Impress prides itself on its unique value proposition,
being the only invisible aligner provider to offer in-depth
medical examinations and treatment monitoring led by
in-house orthodontists. Because direct-to-consumer
models continue to lose credibility, Impress employs a
hybrid model, having its own technology-enabled orthodontic clinics since the very beginning. This has led to
industry-leading sales conversion rates, an exceptional
customer experience and best-in-class clinical outcomes, all driven by a combination of technologies that
is becoming more difficult to replicate. The company
also has its own digital treatment planning and mass
aligner production facility, elevating the business to true
full-service status.
Technology is one of the main pillars of Impress. It has
strategic partnerships with 3D-printing technology
company Carbon and with HP, taking advantage of the
capabilities of the latter’s Multi Jet Fusion technology.
The digital orthodontic brand’s growing network of
hybrid clinics is supported by practice management
|
“At Impress, all vital
services are carried out
by expert teams in the
company’s own clinics, which
are now in major cities
throughout Europe.”
software and a best-in-class treatment monitoring app
that make use of artificial intelligence.
Impress takes the top spot
In just three years, Impress has become the No. 1 brand
and category leader in Europe. With more than 130 clinics in nine countries, Impress has a global team of over
1,000 employees, of which 500 are medical professionals
specialised in orthodontics.
For more information, visit www.smile2impress.com or
contact impress@fullvolumepr.co.uk.
3D printing
2 2022
47
[48] =>
| buyer’s guide
Resins in 3D printing in dentistry:
A buyer’s guide
By Dr George Freedman, Canada
3D printing is the fastest developing and growing
technology in the dental market today. It returns complete
operational control to the clinical practitioner and simplifies
treatment planning and delivery. Real-time optimisation
of therapy management and restorative adjustments are
available, literally at the touch of a button.
For the patient, treatment times are significantly reduced,
and the lag intervals between tooth preparation and appliance delivery are largely eliminated. This decrease of
required chair time and outsourcing laboratory work may
eventually lead to significant cost reductions in therapy
costs.
There are various materials that are used extensively for
dental 3D printing. They include resins, ceramics and
metals. Ideally, all should be compared for any task at
hand, side by side, to determine the best clinical solution. From a publication perspective, that represents an
unwieldy aggregate of data to present effectively on the
printed page. Thus, this buyer’s guide focuses on resins in the dental 3D-printing domain. Dental Tribune’s
“3D-printing buyer’s guide” is the go-to platform on which
interested clinicians, researchers and manufacturers
can interact rapidly and openly to exchange and evaluate
new ideas, technologies and techniques.
– Regional availability is a supply issue matter. Not all
manufacturers have sales activities and after-purchase
support in all regions. However, it may be legally possible,
although somewhat cumbersome, to import products
from regions where they are marketed.
– Material applications refer to the specific clinical and
laboratory situations for which the product is indicated.
– Material shades are obviously important for tooth
restorative indications. They are also essential for denture bases. From a cosmetic perspective, orthodontic
splints may be tinted as well.
– Viscosity concerns resin flow for manufacturing.
– Flexural strength is particularly relevant for longer-span,
load-bearing restorations and prostheses.
– Water sorption is an indicator of the potential of longterm staining and discoloration.
– Density may predict long-term restorative strength,
stainability and polishabilty.
– Hardness is a good gauge for material wear over time
and/or its ability to abrade opposing structures.
– Sterilisation may or may not be necessary for a specific
material or end product.
– Radiopacity is important for permanent and temporary
restorations. Non-invasive post-cementation evaluation
of the restorative interface is mandatory.
– Additional pre- or post-printing requirements add
time and effort to the procedure, making it less costeffective.
– Printers may be compatible by technology or specific
unit. It is obviously beneficial for a material to be universally compatible with all printers, but the clinician must
know beforehand whether the material and the manufacturing tool are compatible.
– The material price range per mg/per ml is indicative of
how this will impact on overall treatment cost and will
vary from one market to another. The typical material
cost for 3D-printed dentistry is low compared with the
overall treatment charge.
Resins in 3D
It is important to be able to scan the “3D-printing
buyer’s guide” in order to quickly assess the suitability of a product for a particular procedure, patient or
practice. The following paragraphs offer a simplified
explanation for the questions that were put to the manufacturers.
– The product name, manufacturer and photograph simply
serve to rapidly identify the resin in question.
– Certification is, of course, mandatory. Dentists using
a product must ensure that it has been approved for
clinical use within their jurisdiction. However, the similarity and redundance of many national and regional
regulatory bodies seem more pointed to providing
employment than safety.
– Device classification is a significant point. Different
classes of products are governed by different certification, largely depending on whether they are in the
mouth permanently or temporarily.
48 3D printing
2 2022
3D dental printing is a marvellous addition to existing
clinical options that is transforming the practice and
delivery of dentistry.
It is already generating an increased demand for temporary, transitional, and permanent restorations and
appliances.
[49] =>
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[50] =>
| buyer’s guide
3D resins
Material name
CROWNTEC by NextDent
NextDent Denture 3D+
NextDent Ortho Flex
Manufacturer
3D Systems (Saremco/NextDent)
3D Systems (Vertex-Dental B.V.)
3D Systems (Vertex-Dental B.V.)
Certification
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other: ............................................ MDD 93/42/EEC
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other: ............................................ MDD 93/42/EEC
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other: ............................................ MDD 93/42/EEC
Device class according to respective
market regulations
(e.g. EU Class I, IIa/b or III; or US Class I, II or III)
Europe: ....................................................... Class IIa
US: ............................................................... Class II
Europe: ....................................................... Class IIa
US: ............................................................... Class II
Europe: ....................................................... Class IIa
Regions in which the material is available
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Material applications
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other: ... Crowns, inlays, onlays, veneers, denture teeth
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other: .............. All types of removable denture bases
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other: ............................................ Splints, retainers
Material shades
Dental shades: .............. 5 shades: A1, A2, A3, B1, SW
Gingival shades
Other
Dental shades
Gingival shades
Other: ............ 6 shades (dark pink, light pink, opaque,
........................... red pink, translucent pink, classic pink)
Dental shades
Gingival shades
Other: .............................................................. Clear
Mechanical properties
Viscosity: ..................................... 2,500–6,000 mPa · s
Flexural strength/modulus: ..... > 130 MPa/> 4,000 MPa
Water solubility/sorption: ....................................... n.a.
Density: ............................................ ca. 1.4–1.5 g/cm3
Hardness: .............................................................. n.a.
Viscosity: ................................................... 690 mPa · s
Flexural strength/modulus: ............. 84 MPa/2,383 MPa
Water solubility/sorption: .......... 0.1 µg/mm3 /28 µg/mm3
Density: ................................................................. n.a.
Hardness: .............................................................. n.a.
Viscosity: .................................................... 370 mPa · s
Flexural strength/modulus: .............. 67 MPa/1,721 MPa
Water solubility/sorption: ............. 3 µg/mm3 /15 µg/mm3
Density: ................................................................. n.a.
Hardness: .................................................... Shore D 78
Can this material be sterilised?
If so, please specify the methods.
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Radiopacity if applicable (please provide
aluminium equivalent in mm Al)
n.a.
n.a.
n.a.
Are there any additional
pre- or post-printing requirements?
(please provide required steps)
Follow supplied instructions for use
by manufacturer for necessary steps
(cleaning, processing, post-curing and finishing).
Follow supplied instructions for use
by manufacturer for necessary steps
(cleaning, processing, post-curing and finishing).
Follow supplied instructions for use
by manufacturer for necessary steps
(cleaning, processing, post-curing and finishing).
All compatible printers
(name the technology and the printer model;
e.g. LFS: Form 3B+ and Form 3BL)
All printers
Specific printers:
Nextdent 5100 Figure 4 (405 nm)
Asiga MAX UV & PRO 4K (385 nm)
Rapid Shape D20 II, D30 II, D40 II, D10+,
D20+ cartridge, D20+, D30+ & D50+ (385 nm)
SprintRay K55 & K95 (405 nm)
Phrozen Sonic XL 4K & Sonic 4K
Accuretta Sol & Dentic (405 nm)
All printers
Specific printers:
NextDent 5100 DLP 3D Printer
All printers
Specific printers:
NextDent 5100 DLP 3D Printer
Price range (per ml or mg)
€ ............. /mg
€ ............. /ml
For prices please contact your local authorized
NextDent dealer or NextDent directly.
€ ............. /mg
€ ............. /ml
For prices please contact your local authorized
NextDent dealer or NextDent directly.
€ ............. /mg
€ ............. /ml
For prices please contact your local authorized
NextDent dealer or NextDent directly.
50 3D printing
2 2022
The market overview does not claim to be complete. Status: October 2022.
[51] =>
NextDent Surgical Guide
FREEPRINT CAST 2.0
FREEPRINT CROWN
FREEPRINT DENTURE
3D Systems (Vertex-Dental B.V.)
DETAX
DETAX
DETAX
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other: ....................................... Non-medical device
US FDA
USA FDA 510(k)
USP Class VI
MDR in progress
KFDA
Other: ................................... Worldwide in progress
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other: ..................................................... Worldwide
Europe: .......................................................... Class I
Non-medical device
Europe: ....................................................... Class IIa
US: ................................................... Class II (510k)
Europe: ....................................................... Class IIa
US: .................................................... Class II (510k)
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other: ............................................. Casting material
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Dental shades
Gingival shades
Other .......................................... Translucent orange
Dental shades
Gingival shades
Other ................................................................ Red
Dental shades: .......................................... 8 shades
Gingival shades
Other
Dental shades
Gingival shades: ........................................ 2 shades
Other
Viscosity: ................................................. 1,000 mPa · s
Flexural strength/modulus: ............... 85 MPa/2,118 MPa
Water solubility/sorption: ........................................ n.a.
Density: ................................................................. n.a.
Hardness: .............................................................. n.a.
Viscosity: .................................................... 125 mPa · s
Flexural strength/modulus: .............. 70 MPa/1,700 MPa
Water solubility/sorption: ........................................ n.a.
Density: ......................................................... 1.1 g/cm³
Hardness: .................................................... Shore D 80
Viscosity: ................................................. 1,750 mPa · s
Flexural strength/modulus: ............ 115 MPa/3,500 MPa
Water solubility/sorption: ... < 40 µg/mm3 /< 7.5 µg/mm3
Density: ......................................................... 1.3 g/cm³
Hardness: ..................................................... Barcol 50
Viscosity: ................................................. 1,300 mPa · s
Flexural strength/modulus: ............ 110 MPa/2,700 MPa
Water solubility/sorption: ... < 32 µg/mm3 /< 1.6 µg/mm3
Density: ......................................................... 1.1 g/cm³
Hardness: .................................................. Shore D 83
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
n.a.
n.a.
n.a.
n.a.
Follow supplied instructions for use
by manufacturer for necessary steps
(cleaning, processing, post-curing and finishing).
Washing with isopropyl alcohol and post curing.
Washing with isopropyl alcohol and post curing.
Washing with isopropyl alcohol and post curing.
All printers
Specific printers:
NextDent 5100 DLP 3D Printer
All printers
Specific printers:
Please check the latest list on www.DETAX.com
All printers
Specific printers:
Please check the latest list on www.DETAX.com
All printers
Specific printers:
Please check the latest list on www.DETAX.com
€ ............. /mg
€ ............. /ml
For prices please contact your local authorized
NextDent dealer or NextDent directly.
€ ............. /mg
€ ............. /ml
For price range please contact
your local authorized DETAX dealer.
€ ............. /mg
€ ............. /ml
For price range please contact
your local authorized DETAX dealer.
€ ............. /mg
€ ............. /ml
For price range please contact
your local authorized DETAX dealer.
The market overview does not claim to be complete. Status: October 2022.
3D printing
2 2022
51
[52] =>
| buyer’s guide
3D resins
Material name
FREEPRINT GINGIVA
FREEPRINT MODEL 2.0 / MODEL T
FREEPRINT ORTHO
Manufacturer
DETAX
DETAX
DETAX
Certification
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other: ....................................... Non-medical device
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other: ....................................... Non-medical device
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other: ..................................................... Worldwide
Device class according to respective
market regulations
(e.g. EU Class I, IIa/b or III; or US Class I, II or III)
Non-medical device
Non-medical device
Europe: ....................................................... Class IIa
US: ................................................................ Class I
Regions in which the material is available
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Material applications
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other: ............................... Gingival mask for models
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other: ............ Models for thermoforming technology
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Material shades
Dental shades
Gingival shades: ........................................... 1 shade
Other
Dental shades
Gingival shades
Other: .............................................. 6 model shades
Dental shades
Gingival shades
Other: ............................................................. Clear
Mechanical properties
Viscosity: .................................................... 800 mPa · s
Flexural strength/modulus: .................................... n.a.
Water solubility/sorption: ........................................ n.a.
Density: 1.1 g/cm³; Tensile strain: 90%; Tensile strength: 3 MPa
Hardness: .................................................... Shore A 70
Viscosity: 1,600 mPa · s [model 2.0]; 1,300 mPa · s [model T]
Flexural strength/modulus: ............ 85 MPa/1,800 MPa
Water solubility/sorption: ........................................ n.a.
Density: ......................................................... 1.1 g/cm³
Hardness: .................................................... Shore D 85
Viscosity: .................................................. 1,100 mPa · s
Flexural strength/modulus: .............. 75 MPa/1,650 MPa
Water solubility/sorption: ...... < 32 µg/mm3 /< 5 µg/mm3
Density: ......................................................... 1.1 g/cm³
Hardness: .................................................... Shore D 82
Can this material be sterilised?
If so, please specify the methods.
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Radiopacity if applicable (please provide
aluminium equivalent in mm Al)
n.a.
n.a.
n.a.
Are there any additional
pre- or post-printing requirements?
(please provide required steps)
Washing with isopropyl alcohol and post curing.
Washing with isopropyl alcohol and post curing.
Washing with isopropyl alcohol and post curing.
All compatible printers
(name the technology and the printer model;
e.g. LFS: Form 3B+ and Form 3BL)
All printers
Specific printers:
Please check the latest list on www.DETAX.com
All printers
Specific printers:
Please check the latest list on www.DETAX.com
All printers
Specific printers:
Please check the latest list on www.DETAX.com
Price range (per ml or mg)
€ ............. /mg
€ ............. /ml
For price range please contact
your local authorized DETAX dealer.
€ ............. /mg
€ ............. /ml
For price range please contact
your local authorized DETAX dealer.
€ ............. /mg
€ ............. /ml
For price range please contact
your local authorized DETAX dealer.
52 3D printing
2 2022
The market overview does not claim to be complete. Status: October 2022.
[53] =>
FREEPRINT SPLINT 2.0
FREEPRINT SPLINTMASTER
FREEPRINT TEMP
FREEPRINT TRAY 2.0
DETAX
DETAX
DETAX
DETAX
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other: ..................................................... Worldwide
US FDA
USA FDA 510(k) in progress
USP Class VI
MDR in progress
KFDA
Other: .................................... Worldwide in progress
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other: ..................................................... Worldwide
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other: ..................................................... Worldwide
Europe: ....................................................... Class IIa
US: ................................................................ Class I
Europe: ....................................................... Class IIa
US: .................................................... Class II (510k)
Europe: ....................................................... Class IIa
US: .................................................... Class II (510k)
Europe: ......................................................... Class I
US: ................................................................ Class I
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Dental shades
Gingival shades
Other: ............................................................. Clear
Dental shades
Gingival shades
Other: ............................................................. Clear
Dental shades: .......................................... 3 shades
Gingival shades
Other
Dental shades
Gingival shades
Other
Viscosity: .................................................... 800 mPa · s
Flexural strength/modulus: .............. 80 MPa/2,000 MPa
Water solubility/sorption: ...... < 32 µg/mm3 /< 5 µg/mm3
Density: ......................................................... 1.1 g/cm³
Hardness: .................................................... Shore D 83
Viscosity: .............................................................. n.a.
Flexural strength/modulus: ................................... n.a.
Water solubility/sorption: ...... < 32 µg/mm3 /< 5 µg/mm3
Density: 1.1 g/cm³; Tensile strain: 20%; Tensile strength: 40 MPa
Hardness: .................................................... Shore D 75
Viscosity: ................................................. 1,300 mPa · s
Flexural strength/modulus: ............ 100 MPa/2,300 MPa
Water solubility/sorption: ... < 40 µg/mm3 /< 7,5 µg/mm3
Density: ......................................................... 1.1 g/cm³
Hardness: .................................................... Barcol 44
Viscosity: .................................................... 750 mPa · s
Flexural strength/modulus: ............. 95 MPa/2,300 MPa
Water solubility/sorption: ........................................ n.a.
Density: ......................................................... 1.1 g/cm³
Hardness: .................................................... Shore D 83
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
n.a.
n.a.
n.a.
n.a.
Washing with isopropyl alcohol and post curing.
Washing with isopropyl alcohol and post curing.
Washing with isopropyl alcohol and post curing.
Washing with isopropyl alcohol and post curing.
All printers
Specific printers:
Please check the latest list on www.DETAX.com
All printers
Specific printers:
Please check the latest list on www.DETAX.com
All printers
Specific printers:
Please check the latest list on www.DETAX.com
All printers
Specific printers:
Please check the latest list on www.DETAX.com
€ ............. /mg
€ ............. /ml
For price range please contact
your local authorized DETAX dealer.
€ ............. /mg
€ ............. /ml
For price range please contact
your local authorized DETAX dealer.
€ ............. /mg
€ ............. /ml
For price range please contact
your local authorized DETAX dealer.
€ ............. /mg
€ ............. /ml
For price range please contact
your local authorized DETAX dealer.
The market overview does not claim to be complete. Status: October 2022.
3D printing
2 2022
53
[54] =>
| buyer’s guide
3D resins
Material name
FREEPRINT TRYIN
Dental LT Clear Resin (V2)
Digital Dentures [Teeth & Base]
Manufacturer
DETAX
Formlabs Dental
Formlabs Dental
Certification
US FDA
USA FDA 510(k)
USP Class VI
MDR (in progress)
KFDA
Other
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other
Device class according to respective
market regulations
(e.g. EU Class I, IIa/b or III; or US Class I, II or III)
US Class I
Europe: ....................................................... Class IIa
US: ................................................................ Class I
Europe: ....................................................... Class IIa
US: ............................................................... Class II
Regions in which the material is available
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Material applications
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other: .......................................... Functional try-ins
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Material shades
Dental shades: ..................................... 1 shade (A2)
Gingival
Other
Dental shades
Gingival shades
Other: ............................................................. Clear
Dental shades: ... 6 shades (A1, A2, A3, A3.5, B1, B2)
Gingival shades: .............. 4 shades (RP, LP, DP, OP)
Other
Mechanical properties
Viscosity: ................................................. 1,350 mPa · s
Flexural strength/modulus: ............ 100 MPa/2,500 MPa
Water solubility/sorption: ........................................ n.a.
Density: ......................................................... 1.1 g/cm³
Hardness: .................................................... Shore D 85
Viscosity: .............................................................. n.a.
Flexural strength/modulus: ............ 84 MPa/2,300 MPa
Water solubility/sorption: ........................................ n.a.
Density: .................................................................. n.a.
Hardness: .................................................... Shore D 78
Viscosity: .............................................................. n.a.
Flexural strength/modulus: [Teeth] > 65 MPa; [Base] > 50 MPa
Water solubility/sorption: ........................................ n.a.
Density: [Teeth] 1.15 g/cm3
[55] =>
buyer’s guide
Model Resin (V3)
Permanent Crown Resin
Surgical Guide Resin
Temporary CB Resin
Formlabs Dental
Formlabs Dental
Formlabs Dental
Formlabs Dental
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other: ....................................... Non-medical device
US FDA
USA FDA 510(k)
USP Class VI
MDR in progress
KFDA
Other
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other
Non-medical device
Europe: ....................................................... Class IIa
US: ............................................................... Class II
Europe: ......................................................... Class I
US: ............................................................... Class I
Europe: ......................................................... Class I
US: ................................................................ Class I
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Dental shades
Gingival shades
Other: ................................................... Light yellow
Dental shades: ............... 4 shades (A2, A3, B1, C2)
Gingival shades
Other
Dental shades
Gingival shades
Other
Dental shades: ............... 4 shades (A2, A3, B1, C2)
Gingival shades
Other
Viscosity: .............................................................. n.a.
Flexural strength/modulus: ................. 85 MPa/2.2 GPa
Water solubility/sorption: ...................................... n.a.
Density: ................................................................. n.a.
Hardness: .............................................................. n.a.
Viscosity: .................................... 2,500–6,000 mPa · s
Flexural strength/modulus: ............ 116 MPa/4,090 MPa
Water solubility/sorption: ....... 0.23 µg/mm3 /3.6 µg/mm3
Density: ................................................. 1.4–1.5 g/cm³
Hardness: .............................................................. n.a.
Viscosity: .............................................................. n.a.
Flexural strength/modulus: ...... > 102 MPa/>2,400 MPa
Water solubility/sorption: ...................................... n.a.
Density: ................................................................. n.a.
Hardness: .................................................... Shore D 76
Viscosity: .................................... 2,500–6,000 mPa · s
Flexural strength/modulus: ....................... 100 MPa
Water solubility/sorption: ........................................ n.a.
Density: .................................................. 1.4–1.5 g/cm³
Hardness: .............................................................. n.a.
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other: Disinfection with isopropyl alcohol or ethanol is possible.
No
Yes: Steam sterilisation (autoclaving): ....... Autoclave
at 134°C for 20 minutes or at 121°C for 30 minutes.
Gamma irradiation: ... 29.4–31.2 kGy gamma radiation.
Electron beam irradiation: ... 35 kGy E-beam radiation.
Ethylene oxide sterilisation: 100% ethylene oxide at 55°C for 180 minutes.
Other: Chemical disinfection 70% isopropyl alcohol for 5 mins.
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other: Disinfection with isopropyl alcohol or ethanol is possible.
No
n.a.
Yes
n.a.
Yes
Once resin product is completed: Wash in Form Wash.
Cure in Form Cure.
This material requires the use of Formlabs' Stainless Steel Build
Platform. Once resin product is completed: Wash in Form Wash.
First curing cycle in Form Cure. Support removal and sandblasting.
Second curing cycle in Form Cure. Polishing & characterization.
Once resin product is completed: Wash in Form Wash.
Dry parts completely. Cure in Form Cure.
This material requires the use of Formlabs' Stainless Steel Build
Platform. Once resin product is completed: Wash in Form Wash.
First curing cycle in Form Cure. Support removal and sandblasting.
Second curing cycle in Form Cure. Polishing & characterization.
All printers
Specific printers:
Form 2, Form 3B, Form 3B+, Form 3BL
All printers
Specific printers:
Form 3B, Form 3B+
All printers
Specific printers:
Form 2, Form 3B, Form 3B+, Form 3BL
All printers
Specific printers:
Form 2, Form 3B, Form 3B+
€ ............. /mg
€ 0.135/ml
€ ............. /mg
€ 1.92/ml
€ ............. /mg
€ 0.249/ml
€ ............. /mg
€ 0.712/ml
The market overview does not claim to be complete. Status: October 2022.
3D printing
2 2022
|
55
[56] =>
| buyer’s guide
3D resins
Material name
UltraPrint-Dental Cast UV 3.0
UltraPrint-Dental Denture Teeth UV
UltraPrint-Dental Gingiva UV 2.0
Manufacturer
HeyGears
HeyGears
HeyGears
Certification
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other: ..................................................... CE NMPA
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other: ..................................................... CE NMPA
Device class according to respective
market regulations
(e.g. EU Class I, IIa/b or III; or US Class I, II or III)
Europe: ..................................... Non-medical device
US: ................................................................ Class I
US: ............................................................... Class II
Europe: ..................................... Non-medical device
US: ................................................................ Class I
Regions in which the material is available
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Material applications
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other: ....................................... Diagnostic wax-ups
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other: ................................................ Denture teeth
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other: ............................................... Gingiva masks
Material shades
Dental shades
Gingival shades
Other: ....................................................... Clear red
Dental shades: 8 shades (A1, A2, A3, A3.5, B1, B2, B3, BL)
Gingival shades
Other
Dental shades
Gingival shades ................................................ Pink
Other
Mechanical properties
Viscosity: .............................................................. n.a.
Flexural strength/modulus: ................... 72.3–84.5 MPa
Water solubility/sorption: ....................................... n.a.
Density: ................................................................ n.a.
Hardness: ............................................................. n.a.
Viscosity: .............................................................. n.a.
Flexural strength/modulus: 90.5–97.2 MPa/2,056.5–2,230.7 MPa
Water solubility/sorption: .............................. 0.8–1.3%
Density: .................................................................. n.a.
Hardness: .................................................... Shore D 80
Viscosity: .............................................................. n.a.
Flexural strength/modulus: .................................... n.a.
Water solubility/sorption: ....................................... n.a.
Density: .................................................................. n.a.
Hardness: .................................................... Shore A 38
Can this material be sterilised?
If so, please specify the methods.
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other: .................. Ethyl alcohol, hydrogen peroxide,
................... glutaraldehyde, quaternary ammonium salt
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Radiopacity if applicable (please provide
aluminium equivalent in mm Al)
n.a.
n.a.
n.a.
Are there any additional
pre- or post-printing requirements?
(please provide required steps)
Post-processing: isopropyl alcohol.
Post-processing: isopropyl alcohol.
Post-processing: isopropyl alcohol.
All compatible printers
(name the technology and the printer model;
e.g. LFS: Form 3B+ and Form 3BL)
All printers
Specific printers:
HeyGears UltraCraft A2D, A2D 4K, A3D,
ChairSide Pro
All printers
Specific printers:
HeyGears UltraCraft A2D, A2D 4K, A3D,
ChairSide, ChairSide Pro
All printers
Specific printers:
HeyGears UltraCraft A2D, A2D 4K, A3D
Price range (per ml or mg)
€ ............. /mg
€ ............. /ml
For price range please contact the manufacturer.
€ ............. /mg
€ ............. /ml
For price range please contact the manufacturer.
€ ............. /mg
€ ............. /ml
For price range please contact the manufacturer.
56 3D printing
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The market overview does not claim to be complete. Status: October 2022.
[57] =>
buyer’s guide
UltraPrint-Dental Model TF UV 2.0
UltraPrint-Dental Temp C&B UV 2.0
V-Print cast
V-Print dentbase
HeyGears
HeyGears
VOCO
VOCO
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other: ..................................................... CE NMPA
US FDA
USA FDA 510(k)
USP Class VI
MDR (in progress)
KFDA
Other: .................................... MFDS ANVISA NMPA
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other: ..................... Technical resin – not necessary
US FDA
USA FDA 510(k)
USP Class VI
MDR
KFDA
Other: .......................................... CE notified body
Europe: ..................................... Non-medical device
US: ........................................... Non-medical device
Brazil: .......................................................... Class II
South Korea: ................................................ Class II
US: .............................................................. Class II
Europe: ............................................ Technical resin
Middle East: ..................................... Technical resin
North America: ................................. Technical resin
Europe: ................................................ MD Class IIa
Middle East: ................................................. Class B
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other: ..................................... Clear aligner models
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other: ............................................. Crowns, bridges
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other: .............. For casting and pressing processes
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other: ................................................ Denture base
Dental shades
Gingival shades
Other
Dental shades: 8 shades (A1, A2, A3, A3.5, B1, B2, B3, BL)
Gingival
Other
Dental shades
Gingival shades
Other: ............................................................. Blue
Dental shades
Gingival shades
Other: .............................................................. Pink
Viscosity: .............................................................. n.a.
Flexural strength/modulus: 104.2–119.16 MPa/2,020–2,214 MPa
Water solubility/sorption: ......................... 0.35–0.48%
Density: .................................................................. n.a.
Hardness: .................................................... Shore D 85
Viscosity: .............................................................. n.a.
Flexural strength/modulus: 93.6–104.5 MPa/1,846–2,021 MPa
Water solubility/sorption: ........................ 40 µg/mm3
Density: .................................................................. n.a.
Hardness: .................................................... Shore D 84
Viscosity: ................................................. 1,550 mPa · s
Flexural strength/modulus: ............. 78 MPa/2,470 MPa
Water solubility/sorption: ....................................... n.a.
Density: ................................................................. n.a.
Hardness: .............................................................. n.a.
Viscosity: ................................................. 1,700 mPa · s
Flexural strength/modulus: ............. 90 MPa/2,450 MPa
Water solubility/sorption: ................... > 0.1/24 µg/mm3
Density: .................................................................. n.a.
Hardness: .............................................................. n.a.
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other: .................. Ethyl alcohol, hydrogen peroxide,
................... glutaraldehyde, quaternary ammonium salt
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other: ............... Not necessary for prostheses bases
No
n.a.
n.a.
n.a.
n.a.
Post-processing: isopropyl alcohol.
Post-processing: isopropyl alcohol.
Post-printing: washing and curing in accordance
with the manufacturer’s recommendations.
Post-printing: washing and curing in accordance
with the manufacturer’s recommendations.
All printers
Specific printers:
HeyGears UltraCraft A2D, A2D Ortho, A2D 4K,
A3D, ChairSide, ChairSide Pro
All printers
Specific printers:
HeyGears UltraCraft A2D, A2D 4K, A3D,
ChairSide (US), ChairSide Pro (US)
All printers
Specific printers:
An up-to-date list of printer partners is available
at www.voco.dental/3dprintingpartners
All printers
Specific printers:
An up-to-date list of printer partners is available
at www.voco.dental/3dprintingpartners
€ ............. /mg
€ ............. /ml
For price range please contact the manufacturer.
€ ............. /mg
€ ............. /ml
For price range please contact the manufacturer.
€ ............. /mg
€ ............. /ml
For price range please contact the manufacturer.
€ ............. /mg
€ ............. /ml
For price range please contact the manufacturer.
The market overview does not claim to be complete. Status: October 2022.
3D printing
2 2022
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57
[58] =>
| buyer’s guide
3D resins
Material name
V-Print model 2.0
V-Print model fast
V-Print SG
Manufacturer
VOCO
VOCO
VOCO
Certification
US FDA
USA FDA 510(k)
USP Class VI
MDR (in progress)
KFDA
Other: ...................................... Non-medical device
US FDA
USA FDA 510(k)
USP Class VI
MDR (in progress)
KFDA
Other: ...................................... Non-medical device
US FDA
USA FDA 510(k)
USP Class VI
MDR (in progress)
KFDA
Other: ........................................... CE notified body
Device class according to respective
market regulations
(e.g. EU Class I, IIa/b or III; or US Class I, II or III)
Non-medical device
Non-medical device
Europe: ................................................ MD Class IIa
Middle East: ................................................ Class B
North America: ........................................... Class II
Regions in which the material is available
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Material applications
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Material shades
Dental shades
Gingival
Other: ............................................................ Beige
Dental shades
Gingival
Other: .............................................................. Blue
Dental shades
Gingival
Other: ............................................................. Clear
Mechanical properties
Viscosity: ................................................. 1,270 mPa · s
Flexural strength/modulus: ............. 96 MPa/2,600 MPa
Water solubility/sorption: ....................................... n.a.
Density: ................................................................. n.a.
Hardness: .............................................................. n.a.
Viscosity: ................................................. 1,500 mPa · s
Flexural strength/modulus: ............. 95 MPa/3,300 MPa
Water solubility/sorption: ....................................... n.a.
Density: ................................................................. n.a.
Hardness: .............................................................. n.a.
Viscosity: ................................................. 1,550 mPa · s
Flexural strength/modulus: ............................... 95 MPa
Water solubility/sorption: .......... 1.9 µg/mm3 /16 µg/mm3
Density: ................................................................. n.a.
Hardness: .............................................................. n.a.
Can this material be sterilised?
If so, please specify the methods.
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Radiopacity if applicable (please provide
aluminium equivalent in mm Al)
n.a.
n.a.
n.a.
Are there any additional
pre- or post-printing requirements?
(please provide required steps)
Post-printing: washing and curing in accordance
with the manufacturer’s recommendations.
Post-printing: washing and curing in accordance
with the manufacturer’s recommendations.
Post-printing: washing and curing in accordance
with the manufacturer’s recommendations.
All compatible printers
(name the technology and the printer model;
e.g. LFS: Form 3B+ and Form 3BL)
All printers
Specific printers:
An up-to-date list of printer partners is available
at www.voco.dental/3dprintingpartners
All printers
Specific printers:
An up-to-date list of printer partners is available
at www.voco.dental/3dprintingpartners
All printers
Specific printers:
An up-to-date list of printer partners is available
at www.voco.dental/3dprintingpartners
Price range (per ml or mg)
€ ............. /mg
€ ............. /ml
For price range please contact the manufacturer.
€ ............. /mg
€ ............. /ml
For price range please contact the manufacturer.
€ ............. /mg
€ ............. /ml
For price range please contact the manufacturer.
58 3D printing
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The market overview does not claim to be complete. Status: October 2022.
[59] =>
buyer’s guide
V-Print splint
V-Print splint comfort
V-Print tray
V-Print Try-In
VOCO
VOCO
VOCO
VOCO
US FDA
USA FDA 510(k)
USP Class VI
MDR (in progress)
KFDA
Other: ........................................... CE notified body
US FDA
USA FDA 510(k)
USP Class VI
MDR (in progress)
KFDA
Other: ........................................... CE notified body
US FDA
USA FDA 510(k)
USP Class VI
MDR (in progress)
KFDA
Other: ................................................................ CE
US FDA
USA FDA 510(k)
USP Class VI
MDR (in progress)
KFDA
Other: ................................................................ CE
Europe: ................................................ MD Class IIa
Middle East: ................................................ Class B
North America: ........................................... Class II
Europe: ................................................ MD Class IIa
Middle East: ................................................ Class B
North America: ........................................... Class II
Europe: ................................................... MD Class I
Middle East: ................................................ Class A
North America: .............................................. Class I
Europe: ................................................... MD Class I
Middle East: ................................................ Class A
North America: .............................................. Class I
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Africa
Asia Pacific
Europe
Latin America
Middle East
North America
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other
Temporary restorations
Definitive restorations
Models
Surgical guides
Occlusal splints
Complete dentures
Custom trays
Indirect bonding trays
Other .............................................................. Try-In
Dental shades
Gingival
Other: ............................................................ Clear
Dental shades
Gingival
Other: ............................................................. Clear
Dental shades
Gingival
Other: ............................................................ Blue
Dental shades
Gingival
Other: ............................................................ Beige
Viscosity: ................................................. 1,000 mPa · s
Flexural strength/modulus: .............. 75 MPa/2,100 MPa
Water solubility/sorption: ..... < 0.1 µg/mm3 /27.7 µg/mm3
Density: ................................................................. n.a.
Hardness: .............................................................. n.a.
Viscosity: ................................................. 1,250 mPa · s
Flexural strength/modulus: ............................. 115 MPa
Water solubility/sorption: ......... 2.5 µg/mm3 /15 µg/mm3
Density: ................................................................. n.a.
Hardness: .............................................................. n.a.
Viscosity: ................................................. 1,500 mPa · s
Flexural strength/modulus: .............................. 100 MPa
Water solubility/sorption: ............ 3 µg/mm3 /30 µg/mm3
Density: ................................................................. n.a.
Hardness: .............................................................. n.a.
Viscosity: .................................................... 850 mPa · s
Flexural strength/modulus: .............. 85 MPa/2,500 MPa
Water solubility/sorption: ...... 0.1 µg/mm3 /17.5 µg/mm3
Density: ................................................................. n.a.
Hardness: .............................................................. n.a.
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
Yes:
Steam sterilisation (autoclaving)
Gamma irradiation
Electron beam irradiation
Ethylene oxide sterilisation
Other
No
n.a.
n.a.
n.a.
n.a.
Post-printing: washing and curing in accordance
with the manufacturer’s recommendations.
Post-printing: washing and curing in accordance
with the manufacturer’s recommendations.
Post-printing: washing and curing in accordance
with the manufacturer’s recommendations.
Post-printing: washing and curing in accordance
with the manufacturer’s recommendations.
All printers
Specific printers:
An up-to-date list of printer partners is available
at www.voco.dental/3dprintingpartners
All printers
Specific printers:
An up-to-date list of printer partners is available
at www.voco.dental/3dprintingpartners
All printers
Specific printers:
An up-to-date list of printer partners is available
at www.voco.dental/3dprintingpartners
All printers
Specific printers:
An up-to-date list of printer partners is available
at www.voco.dental/3dprintingpartners
€ ............. /mg
€ ............. /ml
For price range please contact the manufacturer.
€ ............. /mg
€ ............. /ml
For price range please contact the manufacturer.
€ ............. /mg
€ ............. /ml
For price range please contact the manufacturer.
€ ............. /mg
€ ............. /ml
For price range please contact the manufacturer.
The market overview does not claim to be complete. Status: October 2022.
3D printing
2 2022
|
59
[60] =>
| manufacturer news
Resin for high-end flexible splints
Welcome to the next level: FREEPRINT splintmaster
The new FREEPRINT splintmaster is a resin for 3D-printing high-end
flexible splints. It is available in two levels of flexibility: TAFF for
functional splints and FLEX for soft night guards.
The biocompatible material is characterised by the highest impact
strength. Splints made of FREEPRINT splintmaster are robust and flexible, without becoming brittle. Thanks to the material’s memory effect,
the splints always return to their original shape. The perfectly combined
properties guarantee the highest wearing comfort, easy insertion and
removal. The clear, transparent resin is colour-stable, tasteless, and
free of methyl methacrylate and tetrahydrofurfuryl methacrylate.
The DETAX FREEPRINT line offers more than 30 high performance
3D resins for all dental applications. All materials are validated for
more than 35 printers and curing devices, and the validation portfolio
is growing rapidly (the latest list is available on DETAX’s website).
FREEPRINT medical devices are certified under European Parliament
and Council Regulation (EU) 2017/745 and feature an extended shelf
life of 36 months. Most products, like FREEPRINT crown, temp and denture, have already received U.S. Food and Drug Administration clearance.
Make the switch and join the masterclass!
www.DETAX.com
The highest surface quality and precise processability
Versatility in the laboratory and practice: VOCO’s V-Print model 2.0
From working and presentation models to models for the thermoforming technique—with V-Print model 2.0, high-quality models of
modern dental technology can be produced quickly and precisely
using additive manufacturing. V-Print model 2.0 can be printed in
high layer thicknesses and provides the highest surface quality and
precise processability.
Fast and precise
Even with layer thicknesses of 100 µm, models made of V-Print
model 2.0 have very high accuracy, proved by heat map analysis.
The high layer thickness also ensures time-savings: print twice
as fast in 100 μm layers as opposed to 50 μm without forfeiting
precision. The scratch-resistant and dimensionally stable surface
allows reliable fitting of the restoration on the printed model, even
at the edges.
Models for thermoforming production of aligners and retainers
In addition to use for working and presentation models, V-Print model
2.0 can be used to digitally produce aligner and retainer models.
This again saves time compared with conventional fabrication.
A change of material and thus a vat exchange is not necessary.
Like all materials of the V-Print family, V-Print model 2.0 can be
grinded precisely without chipping and with good chip formation.
The instruments remain clean without smearing.
Heat map showing digital precision.
All V-Print materials, including V-Print model 2.0, are immediately
ready for printing and do not have to be shaken up. No nitrogen is
required for post-exposure, which not only supports occupational
safety but also contributes to further process optimisation.
V-Print model 2.0 is available in 1,000 g bottles.
Practical use
In addition to its impressive technical performance parameters,
V-Print model 2.0 offers excellent handling. The beige-coloured matt
models are particularly practical for prosthetic work. The strong
contrast enables the best possible optical control of the restorations.
60 3D printing
2 2022
Other V-Print printing materials as well as a detailed, updated list
of all printer partners can be found online.
www.voco.dental/3dprintingpartners
[61] =>
manufacturer news
|
Accessible and easy to use
SprintRay Cloud Design service now available in Europe!
You scan, we plan. A frictionless design workflow.
The best design software is the one you do not have to learn
how to use. SprintRay Cloud Design was created to fuel the next
100 years of digital dentistry by removing the friction of dental CAD
from your workflow.
The SprintRay Europe Cloud Design service is completely integrated into the 3D-printing solution from SprintRay and can
be accessed by any new or existing user. It is compatible with
any intra-oral scanner and delivers custom printable files produced by expert design teams. Dental 3D printing has never been
easier.
Additional applications will be added continuously to the platform.
Find out more about the available design services on Sprint Ray
website: https://sprintray.com/en-uk/sprintray-cloud-design-dentalapplications-design-service.
Occlusal guards
Nearly every patient can benefit from an occlusal guard. Drastically
reduce the delivery time of this useful appliance by fabricating it in
your dental practice or laboratory with minimal labour and lead
time. Leverage the innovative SprintRay EU Splint material to
deliver high-quality, comfortable guards of high strength and
durability. With SprintRay Cloud Design, you can receive a design
straight to your printer.
Crowns
SprintRay Cloud Design makes in-house production of aesthetic,
custom temporary or definitive crowns truly frictionless. With a
variety of shades in our SprintRay EU Temporary Crown & Teeth or
SprintRay Crown materials to choose from, your patient will leave
with a confident smile.
Models for clear aligners
Give patients the treatment they want at a price they can afford
with SprintRay Cloud Design. Upload patient data and let our team
of experts design ready-to-print aligner models that you can
fabricate in your dental practice or laboratory.
If you are interested in learning more about
the SprintRay 3D-printing system and the
SprintRay Europe Cloud Design service, visit
our website, or contact us directly.
www.sprintray.com
3D printing
2 2022
61
[62] =>
| manufacturer news
Integrated 3D-printing solutions
HeyGears builds first Dream Factory in US—
for Integrity Dental Services
HeyGears, a provider of integrated 3D-printing solutions, has designed
what it calls a Dream Factory for Integrity Dental Services, a largescale laboratory in the US. Integrity will use the new 3D-printing workspace to print dental products such as models, custom trays, night
guards, temporary restorations, implant models and surgical guides
and to introduce its clients to the possibility of 3D-printing services.
Reliance on digital production in dentistry has steadily increased in
recent years. Dental laboratories worldwide continue to expand their
use of 3D printing because of its efficiency and mass production
scalability. In response, HeyGears has developed its innovative
Dream Factory offering to streamline a customer’s production workspace. With this service, HeyGears designers assess the existing
laboratory space and redesign the 3D-printing area into a futuristic,
more efficient 3D-printing workspace for fast and efficient dental
3D-printing production, as well as education. HeyGears’ Dream
Factory project with Integrity is the first in the US.
Integrity uses three HeyGears’ UltraCraft A2D printers and one
HeyGears UltraCraft A2D 4K printer to produce dental products. The
A2D can print more than 50 dental application types using HeyGears’
certified UltraPrint-Dental materials. The A2D 4K is an ultra-highprecision 3D printer that HeyGears pairs with its HiVE module, an
automated add-on for higher volume throughput, to enable continuous,
62 3D printing
2 2022
unmonitored production for up to 16 hours, making 24/7 production
a reality. HeyGears’ UltraPrint-Dental materials are known for
their application-centric properties for excellent printing results.
The HeyGears Cloud service allows dental technicians to oversee
the entire production process and ensure that the final products are
made accurately and consistently. With its Dream Factory, Integrity
will be able to simplify its workflow and increase production.
Integrity produces dental products and offers additional services to
customers in over 35 states. It opened in 2019 and has already grown
to more than 170 employees. Delivering quality dental products
quickly and efficiently is key to maintaining great relationships with
dentists and dental clinics. HeyGears has also grown swiftly, providing digital production solutions to customers worldwide. With the
increased adoption of digital production within dentistry, HeyGears
has positioned itself to offer large-scale full-chain production capabilities through its 3D printers, software and dental materials.
Innovation is key for HeyGears and Integrity. Both companies foresee the
dental industry increasing its reliance on digital production. By partnering
to create a Dream Factory workspace, they can work closely and push the
dental industry towards an exciting and new way of dental production.
www.heygears.com
[63] =>
manufacturer news
|
For laboratories looking to boost their production capabilities
HeyGears launches new UltraCraft A3D 3D printer
for fully automated intelligent mass production
HeyGears has recently launched its latest A-series 3D printer for
dental laboratories, the UltraCraft A3D. As dental laboratories have
an ever-growing need for efficient, automated and easily scalable
production solutions, HeyGears has developed the A3D for laboratories looking to boost their production capabilities.
Greater build volume for larger batch production
Featuring a build volume of 159 × 144 × 110 mm—double the size
of that of the UltraCraft A2D—while maintaining printing precision, the A3D enables dental technicians to print more dental
applications in a single batch.
Fully integrated automation options
The A3D 3D printer has a variety of automation options for the
specific requirements of each dental laboratory. For example,
integrated automatic printed part removal, along with an internal
storage bin capable of holding nearly 250* full-arch models,
enables 3D printing of batches overnight, ready for collection the
next day. The printer’s 1 l or 3 l automatic resin refill options can
refill the printing tray in 2.5 minutes. This means that the printer
can operate continuously and efficiently for up to 8 hours unattended. Dental technicians can print nearly 500* clear aligner
models with the A3D every 24 hours.
Powerful software and smart features
To make this intelligent automation possible, HeyGears Cloud
simplifies production process management, from dental application design to 3D printing. With complete process monitoring
and regular business intelligence reports and insights, laboratories can optimise their production strategically. Over-the-air
updates ensure that the A3D is running the latest system and
features.
The A3D includes useful and smart features such as a thermostatic printing chamber to ensure high-quality printing results, a
passive infrared sensor to automatically detect whether a user
is nearby and near field communication recognition for key parts
to track the remaining usage lifespan.
Scale up with ease
For dental laboratories with larger production needs, the A3D can
connect with the Resin Station to enable full-scale automated mass
production. The Resin Station can connect with and automatically
refill up to four A3D printers with its ultra-large 24 l resin storage
capacity, distributed across four 6 l resin bottles. Each bottle can
contain a different resin type. With the resin station connected,
four A3Ds together are able to 3D-print nearly 2,000* clear aligner
models over 24 hours.
With these capabilities, HeyGears’ UltraCraft A3D can meet the
needs of a wide variety of dental laboratories looking to bring
automated flexibility and scalability to their digital dental production.
* depending on printed model thickness and size
www.heygears.com
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63
[64] =>
| manufacturer news
A smart hardware and software solution
Primeprint Solution: Medical-grade 3D-printing system
from Dentsply Sirona
Dentsply Sirona’s Primeprint Solution, launched in March 2022, is a
highly automated, end-to-end, medical-grade 3D-printing system for
dentists and dental technicians who want to expand their treatment
and service offerings. It is a smart hardware and software solution
that is optimised for dental applications and can run the entire printing
process, including post-processing. The high level of automation
helps reduce handling times, allows delegation and enables maximised productivity. Primeprint Solution enables practitioners to print
biocompatible appliances with reproducible and accurate results.*
The printing process has been developed in line with U.S. Food and
Drug Administration guidelines for additive manufacturing medical
devices, and outputs from the device are medical products.
“For us dentists, Primeprint Solution turns 3D printing into an
efficient application for everyday use, and that’s also great for
my patients,” said Dr Skramstad. “The workflow is simplified, end
to end, so I can get the best possible results.”
Dr Mike Skramstad, a dentist from Orono in Minnesota in US, said:
“3D printing has just taken the next leap forward with Primeprint.
With the combination of complete integration, enclosed automated
workflow and industry-defining efficiency, Primeprint gives me
and, most importantly, my staff confidence that we are delivering
high-quality and safe 3D-printed parts to our patients. Furthermore, the automation supports that every appliance we 3D-print is
processed, cleaned and cured to a very high standard.”
“Primeprint Solution is the first of a new generation of Dentsply
Sirona devices that will transform digital dentistry—as an integral
part of a new digital environment for dentistry,” said Dr Cord Staehler,
chief technology officer at Dentsply Sirona. “This system now
enables 3D printing to be the professional solution of choice for
dental practices and labs. Working with it, you will be surprised
how easy it is to use. And of course, this is just the start.
As materials continue to evolve, so will the treatment opportunities that can be solved with 3D printing. Some of our beta testers
have called Primeprint the easiest way to get into 3D printing in
dentistry.”
The printer uses digital light processing technology, polymerising
resins using UV light. The light projector hardens the resin layer
by layer. Primeprint as a 3D-printing solution also automates
the post-processing of printed objects, which previously would
have required complex, messy and time-consuming manual work.
With a printing process that is simplified and automated, this
new 3D-printing solution makes it easy to manufacture patientspecific and biocompatible appliances.
64 3D printing
2 2022
Primeprint Solution is also equipped with dental intelligence
through the entire process: from software to 3D printing and
post-processing. Regulated parameters ensure the high quality of
printed appliances for excellent treatment outcomes. Primeprint’s
process protocol, involving automated process times, supports
a high level of safety based on medical device compliance and
automatic case documentation.
* Reich S, Berndt S, Kühne C, Herstell H. Accuracy of 3D-printed occlusal
devices of different volumes using a digital light processing printer.
Appl Sci. 2022;12(3):1576. doi: 10.3390/app12031576.
www.dentsplysirona.com
[65] =>
manufacturer news
|
Higher productivity and model accuracy
Nexa3D announces professional series upgrade
for its ultra-fast dental 3D printer
Nexa3D, the maker of ultra-fast polymer 3D printers
for industrial and dental applications, has announced the immediate availability of its new
professional series upgrade for its NXD 200 dental
3D printer. Based on Nexa3D’s ultra-fast Lubricant
Sublayer Photo-curing (LSPc) technology, the pro
series delivers higher productivity and model
accuracy with greater print success. The pro series
accommodates a broader range of dental materials, including Keystone Industries’ KeyOrtho IBT
and KeySplint Hard. Nexa3D showcased its new
NXD 200Pro at LMT LAB DAY East in October.
“We are thrilled to release this significant
upgrade to our NXD 200 dental 3D printer,”
said Nina Swienton, chief marketing officer at
Nexa3D. “We recognise the pressing need for
higher productivity and lower operating costs
that dental laboratories are faced with, and
that is exactly why we enhanced the NXD 200
printer in order to deliver even better throughput
with greater reliability, accuracy and repeatability. Additionally, the new pro series opens
the materials portfolio of the NXD platform to
accommodate new dental materials that are
tailored for ultra-fast printing of dental parts.”
The NXD 200Pro is an industry-leading production platform for
same-day production of orthodontic models, surgical guides, splints,
impression trays and night guards. The printer is powered by the
company’s proprietary LSPc technology and patented structured
light matrix that delivers up to 20× productivity gains over other
stereolithographic and digital light processing 3D printers. It is the
ideal solution for high-throughput dental laboratory applications
given its large 8.5 l build volume measuring 275 × 155 × 200 mm.
Designed specifically for dental laboratories, the NXD 200Pro offers
world-class dental model manufacturing capabilities at ultra-fast
speeds with validated Keystone performance dental resins. The NXD
200Pro offers high throughput to keep dental operations productive,
being capable of producing up to 20 flat 3D-printed dental models
in less than 30 minutes. “At Key Dental Technologies, precision and
high quality define our aligners, MyClearALIGN!, and Nexa3D’s dental
3D-printing solutions enable us to deliver our product with incredible
speed, high definition and affordability,” said Christina Montiel, laboratory technician at Key Dental Technologies.
Nexa3D’s growing dental customer base includes large and small
dental laboratories as well as dental practices looking to increase
their 3D-printing throughput with ease and affordability. Tyler Dowdle,
director of operations at Excel Orthodontics, said: “At Excel Orthodontics,
our priority is providing exceptional orthodontic
laboratory services, and Nexa3D’s LSPc technology with the NXD 200Pro enables us to
deliver those services with accuracy, affordability and twice the throughput of our previous
3D-printing solution.”
NXD 200Pro series features
– High throughput: the pro series prints up to
8.5 l of volume in a single build, delivering
up to 20× productivity gains over comparable
dental 3D printers.
– Advanced printability: the pro series is powered
by an armoured light engine that improves
print repeatability, consistency and reliability.
– Greater print success: the pro series printing
leverages Nexa3D’s latest light engine and
Everlast membrane interface technology and
enhanced auto-homing capability to reduce
first-layer gap and substantially increase
first-print success.
– Higher consistency: the pro series reduces
the variation in parts across a single build,
delivering reliability, consistency and higher
production yields.
– Cost-effectiveness: the pro series build plates
are designed to maximise part-nesting capabilities while enabling efficient resin drainage and easier cleaning
between print jobs, increasing part output while reducing waste
and lowering operating time and costs.
– Compatibility: the pro series is fully compatible with Nexa3D’s
post-processing solutions, including xWash, xCure and xCLEAN,
which together reduce the time to produce ready-to-use models
from hours to just minutes.
– Upgradability: delivering on the company’s long-standing promise
of upgradeability, the pro upgrade kit is available for sale to all
current NXD 200 users.
Coupled with the pro series upgrade are enhancements to the NexaX
software, including features like auto-stacking, improved automatic
part nesting and cupping avoidance. Additionally, the new settings
profile manager supports the entire workflow by combining validation,
customisation, reusability and shareability to create a powerful and
adaptive tool for any application, Nexa3D printer model or resin type.
The NXD 200Pro printer is available for order now. Customers
wishing to upgrade their current model can do so by ordering
an upgrade kit from Nexa3D or from its growing reseller network.
For pricing or reseller information, please visit Nexa3D website.
www.nexa3d.com
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[66] =>
| manufacturer news
From CAD to finished 3D-printing products
UnionTech dental 3D-printing solutions
UnionTech is a provider of digital light processing (DLP) and stereolithography 3D printers. Its dental 3D-printing solutions include
3D printers, printing materials, the preprocessing software Polydevs
and the cloud platform Unionfab ONE. More than 1,000 UnionTech
dental 3D printers are installed in dental labs around the world.
A leader in the 3D-printing industry, UnionTech has been deeply
involved in and grown rapidly in dentistry in recent years. It
launched its dental 3D-printing brand, EvoDent, in July 2017.
EvoDent was developed to revolutionise dental processing, help with
the transition from traditional manufacturing to digitalisation, and
define the standard of 3D printing for various dental applications.
of processes, including internal testing, process refinement and
product optimisation.
E140 printer
The E140 3D printer offers high accuracy, up to 50 μm, and prints
quickly, taking only 20 minutes to print six appliances. Restorations,
surgical guides and clear aligners can all be created chairside using
the E140.
S300 printer
A precise, high-quality and reliable 3D printer for dentistry with a
4K laser projector, the S300 was developed to meet the needs of
dental laboratories and dental clinics. It offers
many kinds of process design packages to easily
print a wide variety of dental appliances up to
a build envelope capacity of 250 × 140 × 240 mm.
It uses professional intelligent algorithms to ensure
precise fabrication and has a uniformity of light
intensity of > 95%.
D800 printer
A fully automated orthodontic DLP printer with four
4K laser projectors, the D800 offers four applications including: automatic resin recycling, resin
refilling, batch optimisation, printing and appliance
removal—all employing intelligent precision technology independently developed by UnionTech.
The mechanical structure, based on principles of
bionics, reduces the peeling force to ensure the
safety and stability of dental appliances and clean
appliance removal. The excellent design also
guarantees reliability and easy maintenance.
Building solid, complete digital dentistry system
Digital technology has become the core factor in developing
the dental industry. Recently, EvoDent released comprehensive
3D-printing solutions that range from CAD to finished 3D-printing
products. These solutions aim to revolutionise dental processing,
chairside restoration, orthodontics and implant dentistry through
professional 3D-printing technology and to define the standard of
3D printing in dentistry.
Full range of dental 3D printers
As early as 2013, UnionTech established a DLP team to conduct
research and development, and it launched its first DLP product
for dentistry in 2015. UnionTech contributes significantly to the
dental industry, covering every process, from research and development to function configuration, guided by the dental market and
user demand. In developing each product and technology for its
full range of 3D printers for dentistry, UnionTech performs a series
66 3D printing
2 2022
Specialised materials for dentistry
As a leading company in industrial 3D-printing
technology, UnionTech aims to meet customer
needs with materials offering precision, efficiency, stability and
quality. It has developed several dental 3D-printing materials,
such as Model V2.0, Model V6.0 and EvoDent Cast.
Standardised, systematised and intelligent
UnionTech promotes the development of additive manufacturing
technology for dentistry. Dental products have a high demand for
customisation, and 3D-printing technology has the advantage of
being able to achieve batch customisation production. As a new
digital technology, 3D printing can be integrated with the processes
of dental digitalisation to achieve accurate and efficient production.
UnionTech has always maintained its professionalism in the field
of 3D printing, drawing from different industries to promote the
development of the field, and provides professional support to
dental clinics and technical laboratories.
www.uniontech3d.com
[67] =>
FULLY AUTOMATED
INTELLIGENT MASS PRODUCTION
Integrated Automation Options
Automated Resin Reell
Compatible with 1 L/3 L resin bottles
Automated Paa Removal
Collection bin capacity: 250 printed models
Large Build Volume
Quadrant Model
Full Denture Base
Splint
Large Scale 24/7 Production
Capability With Resin Station
24 L Ultra-high Resin Capacity
Resin Reell for up to 4 Printers
Flexible, Automated, High-volume Production is Here!
Contact the HeyGears team to learn more:
www.heygears.com sales@heygears.com
Follow us @HeyGears
Tel: +1(318) 353-4295
Register for the A3D Webinar
at heygears.com
[68] =>
| meetings
Continued success for
Formnext with considerably
more exhibitors this year
By Dental Tribune International
events that will contain both new and familiar highlights
thanks in particular to this year’s partner country, France.
Formnext 2022 will take place in Germany in the
most modern part of the Frankfurt exhibition grounds,
Halls 11 and 12.
Several months prior to the 2022 event, Formnext had
already exceeded the final number of exhibitors and
has therefore increased the gross exhibition space by
more than 34% this year, to over 50,000 m². By the end
of O
ctober, almost 800 exhibitors had registered for
Formnext 2022, 60% of which are international.
After its successful return last year as an in-person
event, Formnext, the world’s leading trade fair dedicated
to additive manufacturing (AM) and modern industrial
production, will take place in 2022, from 15 to 18 Novem
ber. It promises an extensive programme of supporting
The global elite of AM has already registered to exhibit,
including Additive Industries, Arburg, BigRep, Carbon,
Desktop Metal, DMG MORI, DyeMansion, EOS, Evonik,
Farsoon Technologies, Formlabs, GE Additive, HP, Keyence,
Markforged, Materialise, Renishaw, Ricoh, Siemens,
SISMA, SLM Solutions Group, Stratasys, 3D Systems,
TRUMPF, voxeljet, Xerox, XJet and ZEISS. In addition,
numerous well-known international corporations, among
them BASF, Covestro, GKN Sinter Metals Components,
Höganäs, Linde, Mitsubishi Chemical, Oerlikon and
Sandvik, will be showcasing their solutions along the
entire process chain.
“This successful development shows that exhibitors
continue to see Formnext as the most important industry meeting point and an extremely valuable trade show
platform, and also underscores the fact that, for many
companies in the AM industry, in-person interaction
is essential to successfully conduct business, drive developments or find partners and investors,” commented
Sascha F. Wenzler, vice president for Formnext at event
organiser Mesago Messe Frankfurt.
France: A versatile, innovative
and diverse partner country
Being particularly active in AM, France has had a strong
presence at Formnext for many years now. This year,
more than 40 French companies, associations and
research institutes—such as France Additive, Cimes,
CCI Nouvelle-Aquitaine and the Carnot network for AM—
68 3D printing
2 2022
[69] =>
meetings
|
will be participating in Formnext. In France, the strong
aerospace and automotive industries offer promising applications for AM, as does construction and architecture,
viticulture, medicine and many more.
Among the French companies that will be showcasing
a diverse portfolio of products and services along the
entire process chain are internationally established
AM giants such as AddUp, numerous highly innovative
young companies such as Lynxter and Pollen AM, and
renowned industrial companies such as Arkema, BINC
Industries, Constellium and Granges, for which AM is
playing an increasingly important role.
The second day of Formnext 2022 will be dedicated to
France, involving partner presentations by Cimes and
France Additive and a visit by a French delegation, among
other events.
A diverse programme of supporting events
The programme of supporting events will continue some
established events and expand upon them. For example,
the start-up challenge, which recognises innovative and
viable business ideas from young companies, will take
place for the eighth time. The up-and-coming companies
exhibiting in the start-up area will pitch their products and
services on the AM4U stage. There will also be interesting
contributions on the topic of investment and funding.
The ideas competition known as the purmundus challenge
will celebrate its tenth anniversary with a reception and
special showcase of the highlights of the last ten years.
Alongside the established Discover3Dprinting seminars
(in German and English), attendees can visit the AM4U
area to learn about the wide range of career opportunities within the AM industry. The high-quality conference
programme organised by Formnext’s content partner,
TCT, will address current trends and developments in AM
in 2022. The VDMA will present a showcase on valuable
AM applications from the world of mechanical engineering and provide further insights through presentations
on the AM4U stage.
The BE-AM showcase will demonstrate advanced developments in relation to the increasingly important topic
of 3D printing in the construction industry, and the
BE-AM symposium will present significant background
and information on future developments in this field.
The topic of standards, important for the entire AM
industry and all users, will once again be discussed by
experts and d
ecision-makers from around the world at
the renowned Standards Forum, organised by ASTM,
U.S. Commercial Service and ISO—International Organiza
tion for Standardization, on 14 November, the day before
the trade fair commences.
On the same day the Wohlers Report Team, will host an
evening event giving attendees an overview of the most
interesting findings and trends in additive manufacturing.
On top of that, you have the unique opportunity to speak
to the Wohlers R
eport team in person and learn more
about the future of AM.
Further information is available at www.formnext.com.
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69
[70] =>
© PhotoFires/Shutterstock.com
| meetings
Exhibitors stack up for
IDS’s centennial event in 2023
By Dental Tribune International
The International Dental Show (IDS) will take place
from 14 to 18 March next year, and more than 1,000 exhibitors have already registered for the event. The organisers say that the growing exhibitor list already includes
some of the key players in dentistry, such as Dentsply
Sirona, which opted not to attend the event in 2021 owing
to concerns relating to the SARS-CoV-2 pandemic.
IDS 2023 is set to be a jubilee event. It will be the 40th
iteration of the trade fair and will mark 100 years since
the first IDS took place in 1923. The organisers—the
Association of the German Dental Industry (VDDI) and
Koelnmesse—say that these milestones are a testament to
the strength of the international dental industry, and dentists from around the world are no doubt looking forward
to seeing their industry return to Cologne in full force.
Owing to the pandemic, the 39th IDS was postponed by six
months and took place without a number of its stalwarts.
Dentsply Sirona and Ivoclar opted not to attend the event
in 2021 and have now both returned to the preliminary exhibitor list (the list is available on IDS website).
Dentsply Sirona said in a press release that the company
will showcase its latest innovations in digital dentistry at
the event. Walter Petersohn, chief commercial officer at
the company, stated: “We are very excited to join IDS
2023 and reconnect with dental professionals from all
over the world for a week of knowledge sharing and net-
70 3D printing
2 2022
working.” He added that a full programme of events will
take place at the company’s booth.
Norbert Wild, managing director at Ivoclar Germany, said in
a VDDI and Koelnmesse press release that participating in
the event will allow the company “to present products and
solutions and engage in a targeted exchange with dentists,
dental technicians and dental hygienists at one location”.
VDDI and Koelnmesse said that 400 companies from
11 countries have already registered for IDS 2023. Registrations from China, Japan, South Korea and Singapore
indicate that companies from the Asia Pacific region
are poised to make their mark on the event, and those
from Argentina, Brazil, Israel, Italy and the US suggest
that next year’s IDS will live up to the event’s reputation
as a truly international snapshot of the contemporary
dental industry.
IDS 2023 will be staged across 7 halls of the Koelnmesse
trade fair grounds in Cologne, and a total exhibition space of
180,000 m² will make it larger than pre-pandemic events.
In 2019, the 38th IDS covered 170,000 m² of exhibition space
and featured 2,260 vendors from more than 60 countries.
In 2021, the 39th IDS was downsized to 115,000 m² and
featured 830 exhibitors from 59 countries.
More information about IDS 2023 is available online at
www.ids-cologne.de.
[71] =>
[72] =>
| meetings
International events
ADF 2022
BDIA
Dental Showcase 2023
22–26 November 2022
Paris, France
https://adfcongres.com
24–25 March 2023
London, UK
www.dentalshowcase.com
GNYDM 2022
ICOI World Congress
25–30 November 2022
New York, USA
www.gnydm.com
13–15 April 2023
Sydney, Australia
www.icoi.org/events
72 3D printing
2 2022
7–9 February 2023
Dubai, UAE
https://aeedc.com/
see-you-at-aeedc-dubai-2022
4–7 May 2022
Antalya, Turkey
https://cnridentex.com
158th Chicago Dental Society
Midwinter Meeting
4th EAS Congress
23–25 February 2023
Chicago, USA
www.cds.org/midwinter-meeting
11–13 May 2023
Torino, Italy
www.eas-aligners.com
IDS 2023
The British Dental Conference
& Dentistry Show
14–18 March 2023
Cologne, Germany
www.ids-cologne.de
12–13 May 2023
Birmingham, UK
https://birmingham.dentistryshow.co.uk
© 06photo/Shutterstock.com
AEEDC Dubai 2023
18th IDENTEX—
International Oral and
Dental Health Exhibition
[73] =>
|
© 32 pixels/Shutterstock.com
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3D printing
2 2022
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[74] =>
| international imprint
3D printing
international magazine of dental printing technology
Imprint
Publisher and Chief Executive Officer
Torsten R. Oemus
t.oemus@dental-tribune.com
Editor-in-Chief
Dr George Freedman
Managing Editor
Magda Wojtkiewicz
m.wojtkiewicz@dental-tribune.com
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74 3D printing
2 2022
[75] =>
Reliable, Easy-to-integrate
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dental.formlabs.com/eu
International Sales Inquiries
Find a reseller in your region:
formlabs.com/find-a-reseller
[76] =>
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/ Interview with Rebecca Hall: “Our bodies aren’t naturally perfect geometries”: 3D printing advances customisation in treatment
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/ Extremely minimally invasive mock-up-guided veneer preparations in the aesthetic area
/ 3D printing drives innovation
/ 3D printing in the dental of ce: A user report
/ Industry news
/ Buyer’s guide
/ Manufacturer news
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